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Finding the Fourth Proportional to 482,572.14, 665,950.32 and 267,712.20

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Solution

The fourth proportional to 482,572.14, 665,950.32 and 267,712.20 is: 369,443.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,572.14 : 665,950.32 = 267,712.20 : x
  2. Step 2: Convert to fraction form
    482,572.14/665,950.32 = 267,712.20/x
  3. Step 3: Cross multiply
    482,572.14x = 665,950.32 × 267,712.20
  4. Step 4: Simplify right side
    482,572.14x = 178,283,025,257.90
  5. Step 5: Solve for x
    x = 178,283,025,257.90/482,572.14
  6. Step 6: Final answer
    x = 369,443.26

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1.5x scale

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.