Home / 225,915.06-338,961.33-99,466.61

Finding the Fourth Proportional to 225,915.06, 338,961.33 and 99,466.61

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Solution

The fourth proportional to 225,915.06, 338,961.33 and 99,466.61 is: 149,238.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,915.06 : 338,961.33 = 99,466.61 : x
  2. Step 2: Convert to fraction form
    225,915.06/338,961.33 = 99,466.61/x
  3. Step 3: Cross multiply
    225,915.06x = 338,961.33 × 99,466.61
  4. Step 4: Simplify right side
    225,915.06x = 33,715,332,721.38
  5. Step 5: Solve for x
    x = 33,715,332,721.38/225,915.06
  6. Step 6: Final answer
    x = 149,238.98

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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.