Home / 301,306.20-451,959.30-123,721.80

Finding the Fourth Proportional to 301,306.20, 451,959.30 and 123,721.80

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Solution

The fourth proportional to 301,306.20, 451,959.30 and 123,721.80 is: 185,582.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,306.20 : 451,959.30 = 123,721.80 : x
  2. Step 2: Convert to fraction form
    301,306.20/451,959.30 = 123,721.80/x
  3. Step 3: Cross multiply
    301,306.20x = 451,959.30 × 123,721.80
  4. Step 4: Simplify right side
    301,306.20x = 55,917,218,122.74
  5. Step 5: Solve for x
    x = 55,917,218,122.74/301,306.20
  6. Step 6: Final answer
    x = 185,582.70

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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.