Home / 226,005.67-338,877.24-85,687.75

Finding the Fourth Proportional to 226,005.67, 338,877.24 and 85,687.75

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Solution

The fourth proportional to 226,005.67, 338,877.24 and 85,687.75 is: 128,481.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,005.67 : 338,877.24 = 85,687.75 : x
  2. Step 2: Convert to fraction form
    226,005.67/338,877.24 = 85,687.75/x
  3. Step 3: Cross multiply
    226,005.67x = 338,877.24 × 85,687.75
  4. Step 4: Simplify right side
    226,005.67x = 29,037,628,221.81
  5. Step 5: Solve for x
    x = 29,037,628,221.81/226,005.67
  6. Step 6: Final answer
    x = 128,481.86

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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.