Finding the Fourth Proportional to 345,117.08, 517,761.48 and 274,306.88
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Solution
The fourth proportional to 345,117.08, 517,761.48 and 274,306.88 is: 411,528.56
Step by Step Solution
- Step 1: Write the proportion equation
345,117.08 : 517,761.48 = 274,306.88 : x - Step 2: Convert to fraction form
345,117.08/517,761.48 = 274,306.88/x - Step 3: Cross multiply
345,117.08x = 517,761.48 × 274,306.88 - Step 4: Simplify right side
345,117.08x = 142,025,536,162.98 - Step 5: Solve for x
x = 142,025,536,162.98/345,117.08 - Step 6: Final answer
x = 411,528.56
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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.