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Finding the Fourth Proportional to 303,250.80, 454,876.20 and 125,739.30

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Solution

The fourth proportional to 303,250.80, 454,876.20 and 125,739.30 is: 188,608.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,250.80 : 454,876.20 = 125,739.30 : x
  2. Step 2: Convert to fraction form
    303,250.80/454,876.20 = 125,739.30/x
  3. Step 3: Cross multiply
    303,250.80x = 454,876.20 × 125,739.30
  4. Step 4: Simplify right side
    303,250.80x = 57,195,814,974.66
  5. Step 5: Solve for x
    x = 57,195,814,974.66/303,250.80
  6. Step 6: Final answer
    x = 188,608.95

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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.