ratio meaning

ratio means 'a relationship between two numbers showing how much of one there is compared to the other'.

ratio :

proportion, relationship

noun

▪ The ratio of students to teachers is 20 to 1.

▪ There are 20 students for each teacher.

▪ The ratio of boys to girls is equal.

▪ The number of boys and girls is the same.

paraphrasing

▪ proportion – relationship

▪ percentage – part

▪ rate – speed

▪ quotient – division

Pronunciation

ratio [ˈreɪ.ʃioʊ]

The stress is on the first syllable 'ray' and sounds like 'ray-shee-oh'.

Common phrases and grammar about ratio

ratio - Common meaning

noun
proportion, relationship

Part of Speech Changes for "ratio"

▪ rational (adjective) – based on reason

▪ irrational (adjective) – not logical

▪ rationality (noun) – ability to think logically

▪ rationalize (verb) – to make something seem logical

Common Expressions with "ratio"

▪ ratio of A to B – the relationship between A and B

▪ profit ratio – the ratio of profit to sales

▪ cost ratio – the ratio of cost to revenue

▪ debt ratio – the ratio of debt to assets

Important examples of ratio in TOEIC

Vocabulary examples from the TOEIC test

In TOEIC word questions, ratio is often used to describe the relationship between two quantities or numbers.

▪The company increased the ratio of sales to expenses.
▪The company increased how much sales there are compared to expenses.

Example of a confusing word: rate (a measure or quantity)

▪The company increased the rate of sales to expenses.
▪The company increased the speed or frequency of sales compared to expenses.
"Ratio" refers to the quantitative relationship between two numbers, showing how many times one value contains or is contained within the other. It is used correctly in the context of comparing sales to expenses. "Rate," however, refers to a measure or frequency, such as speed or occurrence over time, and does not fit the context of comparing two quantities directly. Therefore, "ratio" is the correct choice here.

Grammar examples from the TOEIC test

In TOEIC grammar questions, ratio is used to show a relationship between two numbers, often in the format 'ratio of A to B'.

▪The ratio of teachers to students is 1 to 20.
▪There is 1 teacher for every 20 students.

ratio

Idioms and fixed expressions in TOEIC










Differences between similar words and ratio

ratio

,

proportion

differences

ratio is used to compare two numbers, whereas proportion typically refers to a part compared to the whole.

ratio
▪The ratio of boys to girls is 2 to 3.
▪The proportion of boys in the class is 40%.
proportion
▪He explained the ratio of teachers to students.
▪He explained the percentage of teachers in the class.

ratio

,

proportion – part compared to whole

differences

quotient

ratio
▪ratio is used to compare two quantities, whereas quotient refers to the result of dividing one number by another.
▪The result of dividing 6 by 2 is 3.
proportion – part compared to whole
▪The quotient of 6 divided by 2 is 3.
▪The result of dividing 6 by 2 is 3.

Words with the same origin as ratio

The origin of ratio

ratio comes from the Latin word 'ratio', meaning 'a reason or calculation'.

Word structure

The analysis of the word's composition is unclear.

Words with the same origin

The root of ratio is 'ratio'. Words with the same root include rational, rationalize, and irrational.

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