Finding the Fourth Proportional to 327,787.68, 491,690.88 and 178,099.68
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Solution
The fourth proportional to 327,787.68, 491,690.88 and 178,099.68 is: 267,154.61
Step by Step Solution
- Step 1: Write the proportion equation
327,787.68 : 491,690.88 = 178,099.68 : x - Step 2: Convert to fraction form
327,787.68/491,690.88 = 178,099.68/x - Step 3: Cross multiply
327,787.68x = 491,690.88 × 178,099.68 - Step 4: Simplify right side
327,787.68x = 87,569,988,386.92 - Step 5: Solve for x
x = 87,569,988,386.92/327,787.68 - Step 6: Final answer
x = 267,154.61
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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.