Finding the Fourth Proportional to 517,272.99, 775,909.92 and 247,337.62
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Solution
The fourth proportional to 517,272.99, 775,909.92 and 247,337.62 is: 371,006.63
Step by Step Solution
- Step 1: Write the proportion equation
517,272.99 : 775,909.92 = 247,337.62 : x - Step 2: Convert to fraction form
517,272.99/775,909.92 = 247,337.62/x - Step 3: Cross multiply
517,272.99x = 775,909.92 × 247,337.62 - Step 4: Simplify right side
517,272.99x = 191,911,711,007.42 - Step 5: Solve for x
x = 191,911,711,007.42/517,272.99 - Step 6: Final answer
x = 371,006.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.