Finding the Fourth Proportional to 178,115.52, 267,202.32 and 84,589.68
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Solution
The fourth proportional to 178,115.52, 267,202.32 and 84,589.68 is: 126,898.31
Step by Step Solution
- Step 1: Write the proportion equation
178,115.52 : 267,202.32 = 84,589.68 : x - Step 2: Convert to fraction form
178,115.52/267,202.32 = 84,589.68/x - Step 3: Cross multiply
178,115.52x = 267,202.32 × 84,589.68 - Step 4: Simplify right side
178,115.52x = 22,602,558,744.06 - Step 5: Solve for x
x = 22,602,558,744.06/178,115.52 - Step 6: Final answer
x = 126,898.31
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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.