Home / 250,727.85-375,738.14-138,458.61

Finding the Fourth Proportional to 250,727.85, 375,738.14 and 138,458.61

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Solution

The fourth proportional to 250,727.85, 375,738.14 and 138,458.61 is: 207,492.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,727.85 : 375,738.14 = 138,458.61 : x
  2. Step 2: Convert to fraction form
    250,727.85/375,738.14 = 138,458.61/x
  3. Step 3: Cross multiply
    250,727.85x = 375,738.14 × 138,458.61
  4. Step 4: Simplify right side
    250,727.85x = 52,024,180,934.53
  5. Step 5: Solve for x
    x = 52,024,180,934.53/250,727.85
  6. Step 6: Final answer
    x = 207,492.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.