Finding the Fourth Proportional to 351,886.08, 527,821.70 and 85,648.08
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Solution
The fourth proportional to 351,886.08, 527,821.70 and 85,648.08 is: 128,470.31
Step by Step Solution
- Step 1: Write the proportion equation
351,886.08 : 527,821.70 = 85,648.08 : x - Step 2: Convert to fraction form
351,886.08/527,821.70 = 85,648.08/x - Step 3: Cross multiply
351,886.08x = 527,821.70 × 85,648.08 - Step 4: Simplify right side
351,886.08x = 45,206,915,187.34 - Step 5: Solve for x
x = 45,206,915,187.34/351,886.08 - Step 6: Final answer
x = 128,470.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.