Finding the Fourth Proportional to 520,905.44, 781,381.92 and 165,886.08
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Solution
The fourth proportional to 520,905.44, 781,381.92 and 165,886.08 is: 248,836.69
Step by Step Solution
- Step 1: Write the proportion equation
520,905.44 : 781,381.92 = 165,886.08 : x - Step 2: Convert to fraction form
520,905.44/781,381.92 = 165,886.08/x - Step 3: Cross multiply
520,905.44x = 781,381.92 × 165,886.08 - Step 4: Simplify right side
520,905.44x = 129,620,383,691.67 - Step 5: Solve for x
x = 129,620,383,691.67/520,905.44 - Step 6: Final answer
x = 248,836.69
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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.