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Finding the Fourth Proportional to 482,286.84, 665,553.15 and 267,458.64

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Solution

The fourth proportional to 482,286.84, 665,553.15 and 267,458.64 is: 369,091.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,286.84 : 665,553.15 = 267,458.64 : x
  2. Step 2: Convert to fraction form
    482,286.84/665,553.15 = 267,458.64/x
  3. Step 3: Cross multiply
    482,286.84x = 665,553.15 × 267,458.64
  4. Step 4: Simplify right side
    482,286.84x = 178,007,940,346.72
  5. Step 5: Solve for x
    x = 178,007,940,346.72/482,286.84
  6. Step 6: Final answer
    x = 369,091.43

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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.