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Finding the Fourth Proportional to 629,659.92, 944,211.90 and 180,278.80

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Solution

The fourth proportional to 629,659.92, 944,211.90 and 180,278.80 is: 270,338.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,659.92 : 944,211.90 = 180,278.80 : x
  2. Step 2: Convert to fraction form
    629,659.92/944,211.90 = 180,278.80/x
  3. Step 3: Cross multiply
    629,659.92x = 944,211.90 × 180,278.80
  4. Step 4: Simplify right side
    629,659.92x = 170,221,388,277.72
  5. Step 5: Solve for x
    x = 170,221,388,277.72/629,659.92
  6. Step 6: Final answer
    x = 270,338.61

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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.