Finding the Fourth Proportional to 156,508.14, 234,780.84 and 49,854.63
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Solution
The fourth proportional to 156,508.14, 234,780.84 and 49,854.63 is: 74,787.88
Step by Step Solution
- Step 1: Write the proportion equation
156,508.14 : 234,780.84 = 49,854.63 : x - Step 2: Convert to fraction form
156,508.14/234,780.84 = 49,854.63/x - Step 3: Cross multiply
156,508.14x = 234,780.84 × 49,854.63 - Step 4: Simplify right side
156,508.14x = 11,704,911,909.29 - Step 5: Solve for x
x = 11,704,911,909.29/156,508.14 - Step 6: Final answer
x = 74,787.88
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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.