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Finding the Fourth Proportional to 251,767.87, 377,651.92 and 83,288.19

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Solution

The fourth proportional to 251,767.87, 377,651.92 and 83,288.19 is: 124,932.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,767.87 : 377,651.92 = 83,288.19 : x
  2. Step 2: Convert to fraction form
    251,767.87/377,651.92 = 83,288.19/x
  3. Step 3: Cross multiply
    251,767.87x = 377,651.92 × 83,288.19
  4. Step 4: Simplify right side
    251,767.87x = 31,453,944,658.60
  5. Step 5: Solve for x
    x = 31,453,944,658.60/251,767.87
  6. Step 6: Final answer
    x = 124,932.32

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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.