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Finding the Fourth Proportional to 482,414.26, 665,772.54 and 267,623.50

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Solution

The fourth proportional to 482,414.26, 665,772.54 and 267,623.50 is: 369,343.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,414.26 : 665,772.54 = 267,623.50 : x
  2. Step 2: Convert to fraction form
    482,414.26/665,772.54 = 267,623.50/x
  3. Step 3: Cross multiply
    482,414.26x = 665,772.54 × 267,623.50
  4. Step 4: Simplify right side
    482,414.26x = 178,176,377,358.69
  5. Step 5: Solve for x
    x = 178,176,377,358.69/482,414.26
  6. Step 6: Final answer
    x = 369,343.10

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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.