Home / 302,822.20-454,233.30-92,432.80

Finding the Fourth Proportional to 302,822.20, 454,233.30 and 92,432.80

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Solution

The fourth proportional to 302,822.20, 454,233.30 and 92,432.80 is: 138,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,822.20 : 454,233.30 = 92,432.80 : x
  2. Step 2: Convert to fraction form
    302,822.20/454,233.30 = 92,432.80/x
  3. Step 3: Cross multiply
    302,822.20x = 454,233.30 × 92,432.80
  4. Step 4: Simplify right side
    302,822.20x = 41,986,055,772.24
  5. Step 5: Solve for x
    x = 41,986,055,772.24/302,822.20
  6. Step 6: Final answer
    x = 138,649.20

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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.