Finding the Fourth Proportional to 288,733.31, 433,146.67 and 89,006.99
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Solution
The fourth proportional to 288,733.31, 433,146.67 and 89,006.99 is: 133,524.88
Step by Step Solution
- Step 1: Write the proportion equation
288,733.31 : 433,146.67 = 89,006.99 : x - Step 2: Convert to fraction form
288,733.31/433,146.67 = 89,006.99/x - Step 3: Cross multiply
288,733.31x = 433,146.67 × 89,006.99 - Step 4: Simplify right side
288,733.31x = 38,553,081,325.22 - Step 5: Solve for x
x = 38,553,081,325.22/288,733.31 - Step 6: Final answer
x = 133,524.88
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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.