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Finding the Fourth Proportional to 266,171.48, 399,108.18 and 88,581.62

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Solution

The fourth proportional to 266,171.48, 399,108.18 and 88,581.62 is: 132,822.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,171.48 : 399,108.18 = 88,581.62 : x
  2. Step 2: Convert to fraction form
    266,171.48/399,108.18 = 88,581.62/x
  3. Step 3: Cross multiply
    266,171.48x = 399,108.18 × 88,581.62
  4. Step 4: Simplify right side
    266,171.48x = 35,353,649,139.65
  5. Step 5: Solve for x
    x = 35,353,649,139.65/266,171.48
  6. Step 6: Final answer
    x = 132,822.83

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1.5x scale

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.