Finding the Fourth Proportional to 539,242.62, 744,177.32 and 297,540.87
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Solution
The fourth proportional to 539,242.62, 744,177.32 and 297,540.87 is: 410,618.82
Step by Step Solution
- Step 1: Write the proportion equation
539,242.62 : 744,177.32 = 297,540.87 : x - Step 2: Convert to fraction form
539,242.62/744,177.32 = 297,540.87/x - Step 3: Cross multiply
539,242.62x = 744,177.32 × 297,540.87 - Step 4: Simplify right side
539,242.62x = 221,423,167,227.07 - Step 5: Solve for x
x = 221,423,167,227.07/539,242.62 - Step 6: Final answer
x = 410,618.82
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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.