Finding the Fourth Proportional to 173,916.20, 239,892.84 and 119,442.08
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Solution
The fourth proportional to 173,916.20, 239,892.84 and 119,442.08 is: 164,753.48
Step by Step Solution
- Step 1: Write the proportion equation
173,916.20 : 239,892.84 = 119,442.08 : x - Step 2: Convert to fraction form
173,916.20/239,892.84 = 119,442.08/x - Step 3: Cross multiply
173,916.20x = 239,892.84 × 119,442.08 - Step 4: Simplify right side
173,916.20x = 28,653,299,786.71 - Step 5: Solve for x
x = 28,653,299,786.71/173,916.20 - Step 6: Final answer
x = 164,753.48
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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.