Home / 266,450.22-399,738.14-86,535.04

Finding the Fourth Proportional to 266,450.22, 399,738.14 and 86,535.04

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Solution

The fourth proportional to 266,450.22, 399,738.14 and 86,535.04 is: 129,822.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,450.22 : 399,738.14 = 86,535.04 : x
  2. Step 2: Convert to fraction form
    266,450.22/399,738.14 = 86,535.04/x
  3. Step 3: Cross multiply
    266,450.22x = 399,738.14 × 86,535.04
  4. Step 4: Simplify right side
    266,450.22x = 34,591,355,934.43
  5. Step 5: Solve for x
    x = 34,591,355,934.43/266,450.22
  6. Step 6: Final answer
    x = 129,822.96

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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.