Finding the Fourth Proportional to 436,957.99, 655,472.55 and 121,414.93
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Solution
The fourth proportional to 436,957.99, 655,472.55 and 121,414.93 is: 182,132.28
Step by Step Solution
- Step 1: Write the proportion equation
436,957.99 : 655,472.55 = 121,414.93 : x - Step 2: Convert to fraction form
436,957.99/655,472.55 = 121,414.93/x - Step 3: Cross multiply
436,957.99x = 655,472.55 × 121,414.93 - Step 4: Simplify right side
436,957.99x = 79,584,153,775.17 - Step 5: Solve for x
x = 79,584,153,775.17/436,957.99 - Step 6: Final answer
x = 182,132.28
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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.