Home / 215,844.20-323,766.30-181,629.80

Finding the Fourth Proportional to 215,844.20, 323,766.30 and 181,629.80

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Solution

The fourth proportional to 215,844.20, 323,766.30 and 181,629.80 is: 272,444.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,844.20 : 323,766.30 = 181,629.80 : x
  2. Step 2: Convert to fraction form
    215,844.20/323,766.30 = 181,629.80/x
  3. Step 3: Cross multiply
    215,844.20x = 323,766.30 × 181,629.80
  4. Step 4: Simplify right side
    215,844.20x = 58,805,608,315.74
  5. Step 5: Solve for x
    x = 58,805,608,315.74/215,844.20
  6. Step 6: Final answer
    x = 272,444.70

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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.