Finding the Fourth Proportional to 288,302.96, 432,495.79 and 88,640.11
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Solution
The fourth proportional to 288,302.96, 432,495.79 and 88,640.11 is: 132,972.88
Step by Step Solution
- Step 1: Write the proportion equation
288,302.96 : 432,495.79 = 88,640.11 : x - Step 2: Convert to fraction form
288,302.96/432,495.79 = 88,640.11/x - Step 3: Cross multiply
288,302.96x = 432,495.79 × 88,640.11 - Step 4: Simplify right side
288,302.96x = 38,336,474,400.14 - Step 5: Solve for x
x = 38,336,474,400.14/288,302.96 - Step 6: Final answer
x = 132,972.88
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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.