Home / 266,991.38-400,547.06-89,493.85

Finding the Fourth Proportional to 266,991.38, 400,547.06 and 89,493.85

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Solution

The fourth proportional to 266,991.38, 400,547.06 and 89,493.85 is: 134,260.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,991.38 : 400,547.06 = 89,493.85 : x
  2. Step 2: Convert to fraction form
    266,991.38/400,547.06 = 89,493.85/x
  3. Step 3: Cross multiply
    266,991.38x = 400,547.06 × 89,493.85
  4. Step 4: Simplify right side
    266,991.38x = 35,846,498,505.58
  5. Step 5: Solve for x
    x = 35,846,498,505.58/266,991.38
  6. Step 6: Final answer
    x = 134,260.88

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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.