Finding the Fourth Proportional to 381,680.10, 572,610.06 and 115,442.82
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Solution
The fourth proportional to 381,680.10, 572,610.06 and 115,442.82 is: 173,191.42
Step by Step Solution
- Step 1: Write the proportion equation
381,680.10 : 572,610.06 = 115,442.82 : x - Step 2: Convert to fraction form
381,680.10/572,610.06 = 115,442.82/x - Step 3: Cross multiply
381,680.10x = 572,610.06 × 115,442.82 - Step 4: Simplify right side
381,680.10x = 66,103,720,086.77 - Step 5: Solve for x
x = 66,103,720,086.77/381,680.10 - Step 6: Final answer
x = 173,191.42
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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.