Home / 468,985.02-647,286.57-267,781.02

Finding the Fourth Proportional to 468,985.02, 647,286.57 and 267,781.02

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Solution

The fourth proportional to 468,985.02, 647,286.57 and 267,781.02 is: 369,587.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,985.02 : 647,286.57 = 267,781.02 : x
  2. Step 2: Convert to fraction form
    468,985.02/647,286.57 = 267,781.02/x
  3. Step 3: Cross multiply
    468,985.02x = 647,286.57 × 267,781.02
  4. Step 4: Simplify right side
    468,985.02x = 173,331,057,946.90
  5. Step 5: Solve for x
    x = 173,331,057,946.90/468,985.02
  6. Step 6: Final answer
    x = 369,587.62

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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.