Home / 266,116.12-399,238.08-88,624.72

Finding the Fourth Proportional to 266,116.12, 399,238.08 and 88,624.72

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Solution

The fourth proportional to 266,116.12, 399,238.08 and 88,624.72 is: 132,958.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,116.12 : 399,238.08 = 88,624.72 : x
  2. Step 2: Convert to fraction form
    266,116.12/399,238.08 = 88,624.72/x
  3. Step 3: Cross multiply
    266,116.12x = 399,238.08 × 88,624.72
  4. Step 4: Simplify right side
    266,116.12x = 35,382,363,053.34
  5. Step 5: Solve for x
    x = 35,382,363,053.34/266,116.12
  6. Step 6: Final answer
    x = 132,958.36

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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.