Home / 259,121.76-355,257.24-254,398.56

Finding the Fourth Proportional to 259,121.76, 355,257.24 and 254,398.56

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Solution

The fourth proportional to 259,121.76, 355,257.24 and 254,398.56 is: 348,781.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,121.76 : 355,257.24 = 254,398.56 : x
  2. Step 2: Convert to fraction form
    259,121.76/355,257.24 = 254,398.56/x
  3. Step 3: Cross multiply
    259,121.76x = 355,257.24 × 254,398.56
  4. Step 4: Simplify right side
    259,121.76x = 90,376,930,285.57
  5. Step 5: Solve for x
    x = 90,376,930,285.57/259,121.76
  6. Step 6: Final answer
    x = 348,781.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.