Finding the Fourth Proportional to 288,537.17, 432,838.56 and 99,011.75
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Solution
The fourth proportional to 288,537.17, 432,838.56 and 99,011.75 is: 148,528.88
Step by Step Solution
- Step 1: Write the proportion equation
288,537.17 : 432,838.56 = 99,011.75 : x - Step 2: Convert to fraction form
288,537.17/432,838.56 = 99,011.75/x - Step 3: Cross multiply
288,537.17x = 432,838.56 × 99,011.75 - Step 4: Simplify right side
288,537.17x = 42,856,103,293.08 - Step 5: Solve for x
x = 42,856,103,293.08/288,537.17 - Step 6: Final answer
x = 148,528.88
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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.