Home / 269,721.20-404,727.60-119,984.60

Finding the Fourth Proportional to 269,721.20, 404,727.60 and 119,984.60

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Solution

The fourth proportional to 269,721.20, 404,727.60 and 119,984.60 is: 180,041.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,721.20 : 404,727.60 = 119,984.60 : x
  2. Step 2: Convert to fraction form
    269,721.20/404,727.60 = 119,984.60/x
  3. Step 3: Cross multiply
    269,721.20x = 404,727.60 × 119,984.60
  4. Step 4: Simplify right side
    269,721.20x = 48,561,079,194.96
  5. Step 5: Solve for x
    x = 48,561,079,194.96/269,721.20
  6. Step 6: Final answer
    x = 180,041.76

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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.