Finding the Fourth Proportional to 429,010.31, 592,070.99 and 235,455.42
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Solution
The fourth proportional to 429,010.31, 592,070.99 and 235,455.42 is: 324,948.66
Step by Step Solution
- Step 1: Write the proportion equation
429,010.31 : 592,070.99 = 235,455.42 : x - Step 2: Convert to fraction form
429,010.31/592,070.99 = 235,455.42/x - Step 3: Cross multiply
429,010.31x = 592,070.99 × 235,455.42 - Step 4: Simplify right side
429,010.31x = 139,406,322,442.99 - Step 5: Solve for x
x = 139,406,322,442.99/429,010.31 - Step 6: Final answer
x = 324,948.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.