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Finding the Fourth Proportional to 226,998.30, 313,253.79 and 125,033.29

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Solution

The fourth proportional to 226,998.30, 313,253.79 and 125,033.29 is: 172,543.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,998.30 : 313,253.79 = 125,033.29 : x
  2. Step 2: Convert to fraction form
    226,998.30/313,253.79 = 125,033.29/x
  3. Step 3: Cross multiply
    226,998.30x = 313,253.79 × 125,033.29
  4. Step 4: Simplify right side
    226,998.30x = 39,167,151,343.50
  5. Step 5: Solve for x
    x = 39,167,151,343.50/226,998.30
  6. Step 6: Final answer
    x = 172,543.81

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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.