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Finding the Fourth Proportional to 266,296.56, 399,357 and 88,754.64

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Solution

The fourth proportional to 266,296.56, 399,357 and 88,754.64 is: 133,102.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,296.56 : 399,357 = 88,754.64 : x
  2. Step 2: Convert to fraction form
    266,296.56/399,357 = 88,754.64/x
  3. Step 3: Cross multiply
    266,296.56x = 399,357 × 88,754.64
  4. Step 4: Simplify right side
    266,296.56x = 35,444,786,766.48
  5. Step 5: Solve for x
    x = 35,444,786,766.48/266,296.56
  6. Step 6: Final answer
    x = 133,102.68

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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.