Finding the Fourth Proportional to 204,331.68, 281,979.12 and 113,691.48
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Solution
The fourth proportional to 204,331.68, 281,979.12 and 113,691.48 is: 156,895.02
Step by Step Solution
- Step 1: Write the proportion equation
204,331.68 : 281,979.12 = 113,691.48 : x - Step 2: Convert to fraction form
204,331.68/281,979.12 = 113,691.48/x - Step 3: Cross multiply
204,331.68x = 281,979.12 × 113,691.48 - Step 4: Simplify right side
204,331.68x = 32,058,623,481.90 - Step 5: Solve for x
x = 32,058,623,481.90/204,331.68 - Step 6: Final answer
x = 156,895.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.