Home / 225,540.06-338,339.28-67,784.46

Finding the Fourth Proportional to 225,540.06, 338,339.28 and 67,784.46

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Solution

The fourth proportional to 225,540.06, 338,339.28 and 67,784.46 is: 101,685.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,540.06 : 338,339.28 = 67,784.46 : x
  2. Step 2: Convert to fraction form
    225,540.06/338,339.28 = 67,784.46/x
  3. Step 3: Cross multiply
    225,540.06x = 338,339.28 × 67,784.46
  4. Step 4: Simplify right side
    225,540.06x = 22,934,145,391.59
  5. Step 5: Solve for x
    x = 22,934,145,391.59/225,540.06
  6. Step 6: Final answer
    x = 101,685.46

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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.