Finding the Fourth Proportional to 436,957.98, 655,472.56 and 121,414.92
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Solution
The fourth proportional to 436,957.98, 655,472.56 and 121,414.92 is: 182,132.27
Step by Step Solution
- Step 1: Write the proportion equation
436,957.98 : 655,472.56 = 121,414.92 : x - Step 2: Convert to fraction form
436,957.98/655,472.56 = 121,414.92/x - Step 3: Cross multiply
436,957.98x = 655,472.56 × 121,414.92 - Step 4: Simplify right side
436,957.98x = 79,584,148,434.60 - Step 5: Solve for x
x = 79,584,148,434.60/436,957.98 - Step 6: Final answer
x = 182,132.27
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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.