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Finding the Fourth Proportional to 266,722.78, 400,001.11 and 89,188.27

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Solution

The fourth proportional to 266,722.78, 400,001.11 and 89,188.27 is: 133,754.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,722.78 : 400,001.11 = 89,188.27 : x
  2. Step 2: Convert to fraction form
    266,722.78/400,001.11 = 89,188.27/x
  3. Step 3: Cross multiply
    266,722.78x = 400,001.11 × 89,188.27
  4. Step 4: Simplify right side
    266,722.78x = 35,675,406,998.98
  5. Step 5: Solve for x
    x = 35,675,406,998.98/266,722.78
  6. Step 6: Final answer
    x = 133,754.63

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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.