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Finding the Fourth Proportional to 482,122.62, 665,284.43 and 267,244.40

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Solution

The fourth proportional to 482,122.62, 665,284.43 and 267,244.40 is: 368,772.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,122.62 : 665,284.43 = 267,244.40 : x
  2. Step 2: Convert to fraction form
    482,122.62/665,284.43 = 267,244.40/x
  3. Step 3: Cross multiply
    482,122.62x = 665,284.43 × 267,244.40
  4. Step 4: Simplify right side
    482,122.62x = 177,793,533,662.05
  5. Step 5: Solve for x
    x = 177,793,533,662.05/482,122.62
  6. Step 6: Final answer
    x = 368,772.44

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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.