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Finding the Fourth Proportional to 482,373, 665,674.74 and 267,545.96

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Solution

The fourth proportional to 482,373, 665,674.74 and 267,545.96 is: 369,213.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,373 : 665,674.74 = 267,545.96 : x
  2. Step 2: Convert to fraction form
    482,373/665,674.74 = 267,545.96/x
  3. Step 3: Cross multiply
    482,373x = 665,674.74 × 267,545.96
  4. Step 4: Simplify right side
    482,373x = 178,098,587,361.05
  5. Step 5: Solve for x
    x = 178,098,587,361.05/482,373
  6. Step 6: Final answer
    x = 369,213.42

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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.