Finding the Fourth Proportional to 436,207.97, 654,312.18 and 136,711.88
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Solution
The fourth proportional to 436,207.97, 654,312.18 and 136,711.88 is: 205,067.89
Step by Step Solution
- Step 1: Write the proportion equation
436,207.97 : 654,312.18 = 136,711.88 : x - Step 2: Convert to fraction form
436,207.97/654,312.18 = 136,711.88/x - Step 3: Cross multiply
436,207.97x = 654,312.18 × 136,711.88 - Step 4: Simplify right side
436,207.97x = 89,452,248,234.70 - Step 5: Solve for x
x = 89,452,248,234.70/436,207.97 - Step 6: Final answer
x = 205,067.89
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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.