Finding the Fourth Proportional to 217,909.76, 327,141.12 and 185,285.12
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Solution
The fourth proportional to 217,909.76, 327,141.12 and 185,285.12 is: 278,162.77
Step by Step Solution
- Step 1: Write the proportion equation
217,909.76 : 327,141.12 = 185,285.12 : x - Step 2: Convert to fraction form
217,909.76/327,141.12 = 185,285.12/x - Step 3: Cross multiply
217,909.76x = 327,141.12 × 185,285.12 - Step 4: Simplify right side
217,909.76x = 60,614,381,676.13 - Step 5: Solve for x
x = 60,614,381,676.13/217,909.76 - Step 6: Final answer
x = 278,162.77
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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.