Home / 225,542.06-338,342.28-67,786.46

Finding the Fourth Proportional to 225,542.06, 338,342.28 and 67,786.46

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Solution

The fourth proportional to 225,542.06, 338,342.28 and 67,786.46 is: 101,688.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,542.06 : 338,342.28 = 67,786.46 : x
  2. Step 2: Convert to fraction form
    225,542.06/338,342.28 = 67,786.46/x
  3. Step 3: Cross multiply
    225,542.06x = 338,342.28 × 67,786.46
  4. Step 4: Simplify right side
    225,542.06x = 22,935,025,429.53
  5. Step 5: Solve for x
    x = 22,935,025,429.53/225,542.06
  6. Step 6: Final answer
    x = 101,688.46

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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.