Home / 338,869.53-508,288.92-149,279.24

Finding the Fourth Proportional to 338,869.53, 508,288.92 and 149,279.24

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Solution

The fourth proportional to 338,869.53, 508,288.92 and 149,279.24 is: 223,912.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,869.53 : 508,288.92 = 149,279.24 : x
  2. Step 2: Convert to fraction form
    338,869.53/508,288.92 = 149,279.24/x
  3. Step 3: Cross multiply
    338,869.53x = 508,288.92 × 149,279.24
  4. Step 4: Simplify right side
    338,869.53x = 75,876,981,136.58
  5. Step 5: Solve for x
    x = 75,876,981,136.58/338,869.53
  6. Step 6: Final answer
    x = 223,912.08

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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.