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Finding the Fourth Proportional to 266,110.65, 399,229.76 and 88,619.20

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Solution

The fourth proportional to 266,110.65, 399,229.76 and 88,619.20 is: 132,950.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,110.65 : 399,229.76 = 88,619.20 : x
  2. Step 2: Convert to fraction form
    266,110.65/399,229.76 = 88,619.20/x
  3. Step 3: Cross multiply
    266,110.65x = 399,229.76 × 88,619.20
  4. Step 4: Simplify right side
    266,110.65x = 35,379,421,170.87
  5. Step 5: Solve for x
    x = 35,379,421,170.87/266,110.65
  6. Step 6: Final answer
    x = 132,950.04

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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.