Home / 283,724.20-391,523.46-156,375.88

Finding the Fourth Proportional to 283,724.20, 391,523.46 and 156,375.88

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Solution

The fourth proportional to 283,724.20, 391,523.46 and 156,375.88 is: 215,789.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,724.20 : 391,523.46 = 156,375.88 : x
  2. Step 2: Convert to fraction form
    283,724.20/391,523.46 = 156,375.88/x
  3. Step 3: Cross multiply
    283,724.20x = 391,523.46 × 156,375.88
  4. Step 4: Simplify right side
    283,724.20x = 61,224,825,598.14
  5. Step 5: Solve for x
    x = 61,224,825,598.14/283,724.20
  6. Step 6: Final answer
    x = 215,789.93

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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.