Home / 283,861.52-391,711-162,917.68

Finding the Fourth Proportional to 283,861.52, 391,711 and 162,917.68

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Solution

The fourth proportional to 283,861.52, 391,711 and 162,917.68 is: 224,816.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,861.52 : 391,711 = 162,917.68 : x
  2. Step 2: Convert to fraction form
    283,861.52/391,711 = 162,917.68/x
  3. Step 3: Cross multiply
    283,861.52x = 391,711 × 162,917.68
  4. Step 4: Simplify right side
    283,861.52x = 63,816,647,350.48
  5. Step 5: Solve for x
    x = 63,816,647,350.48/283,861.52
  6. Step 6: Final answer
    x = 224,816.13

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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.