Finding the Fourth Proportional to 636,672.87, 954,905.49 and 187,288.62
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Solution
The fourth proportional to 636,672.87, 954,905.49 and 187,288.62 is: 280,902.39
Step by Step Solution
- Step 1: Write the proportion equation
636,672.87 : 954,905.49 = 187,288.62 : x - Step 2: Convert to fraction form
636,672.87/954,905.49 = 187,288.62/x - Step 3: Cross multiply
636,672.87x = 954,905.49 × 187,288.62 - Step 4: Simplify right side
636,672.87x = 178,842,931,452.52 - Step 5: Solve for x
x = 178,842,931,452.52/636,672.87 - Step 6: Final answer
x = 280,902.39
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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.