Home / 266,834.58-400,310.22-79,831.50

Finding the Fourth Proportional to 266,834.58, 400,310.22 and 79,831.50

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Solution

The fourth proportional to 266,834.58, 400,310.22 and 79,831.50 is: 119,764.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,834.58 : 400,310.22 = 79,831.50 : x
  2. Step 2: Convert to fraction form
    266,834.58/400,310.22 = 79,831.50/x
  3. Step 3: Cross multiply
    266,834.58x = 400,310.22 × 79,831.50
  4. Step 4: Simplify right side
    266,834.58x = 31,957,365,327.93
  5. Step 5: Solve for x
    x = 31,957,365,327.93/266,834.58
  6. Step 6: Final answer
    x = 119,764.71

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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.