Finding the Fourth Proportional to 178,680.12, 246,581.99 and 98,115.90
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Solution
The fourth proportional to 178,680.12, 246,581.99 and 98,115.90 is: 135,401.82
Step by Step Solution
- Step 1: Write the proportion equation
178,680.12 : 246,581.99 = 98,115.90 : x - Step 2: Convert to fraction form
178,680.12/246,581.99 = 98,115.90/x - Step 3: Cross multiply
178,680.12x = 246,581.99 × 98,115.90 - Step 4: Simplify right side
178,680.12x = 24,193,613,872.64 - Step 5: Solve for x
x = 24,193,613,872.64/178,680.12 - Step 6: Final answer
x = 135,401.82
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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.