Home / 371,569.97-512,767.55-218,613.92

Finding the Fourth Proportional to 371,569.97, 512,767.55 and 218,613.92

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Solution

The fourth proportional to 371,569.97, 512,767.55 and 218,613.92 is: 301,687.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,569.97 : 512,767.55 = 218,613.92 : x
  2. Step 2: Convert to fraction form
    371,569.97/512,767.55 = 218,613.92/x
  3. Step 3: Cross multiply
    371,569.97x = 512,767.55 × 218,613.92
  4. Step 4: Simplify right side
    371,569.97x = 112,098,123,791.61
  5. Step 5: Solve for x
    x = 112,098,123,791.61/371,569.97
  6. Step 6: Final answer
    x = 301,687.79

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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.