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Finding the Fourth Proportional to 227,472.33, 313,912.88 and 125,499.03

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Solution

The fourth proportional to 227,472.33, 313,912.88 and 125,499.03 is: 173,189.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,472.33 : 313,912.88 = 125,499.03 : x
  2. Step 2: Convert to fraction form
    227,472.33/313,912.88 = 125,499.03/x
  3. Step 3: Cross multiply
    227,472.33x = 313,912.88 × 125,499.03
  4. Step 4: Simplify right side
    227,472.33x = 39,395,761,317.01
  5. Step 5: Solve for x
    x = 39,395,761,317.01/227,472.33
  6. Step 6: Final answer
    x = 173,189.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.