Home / 269,121.38-403,541.92-126,928.48

Finding the Fourth Proportional to 269,121.38, 403,541.92 and 126,928.48

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Solution

The fourth proportional to 269,121.38, 403,541.92 and 126,928.48 is: 190,326.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,121.38 : 403,541.92 = 126,928.48 : x
  2. Step 2: Convert to fraction form
    269,121.38/403,541.92 = 126,928.48/x
  3. Step 3: Cross multiply
    269,121.38x = 403,541.92 × 126,928.48
  4. Step 4: Simplify right side
    269,121.38x = 51,220,962,521.88
  5. Step 5: Solve for x
    x = 51,220,962,521.88/269,121.38
  6. Step 6: Final answer
    x = 190,326.62

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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.