Home / 331,132.25-456,963.38-187,891.91

Finding the Fourth Proportional to 331,132.25, 456,963.38 and 187,891.91

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Solution

The fourth proportional to 331,132.25, 456,963.38 and 187,891.91 is: 259,291.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,132.25 : 456,963.38 = 187,891.91 : x
  2. Step 2: Convert to fraction form
    331,132.25/456,963.38 = 187,891.91/x
  3. Step 3: Cross multiply
    331,132.25x = 456,963.38 × 187,891.91
  4. Step 4: Simplify right side
    331,132.25x = 85,859,719,043.98
  5. Step 5: Solve for x
    x = 85,859,719,043.98/331,132.25
  6. Step 6: Final answer
    x = 259,291.33

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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.