Home / 269,836.28-404,683.83-80,245.55

Finding the Fourth Proportional to 269,836.28, 404,683.83 and 80,245.55

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Solution

The fourth proportional to 269,836.28, 404,683.83 and 80,245.55 is: 120,347.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,836.28 : 404,683.83 = 80,245.55 : x
  2. Step 2: Convert to fraction form
    269,836.28/404,683.83 = 80,245.55/x
  3. Step 3: Cross multiply
    269,836.28x = 404,683.83 × 80,245.55
  4. Step 4: Simplify right side
    269,836.28x = 32,474,074,491.04
  5. Step 5: Solve for x
    x = 32,474,074,491.04/269,836.28
  6. Step 6: Final answer
    x = 120,347.33

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1.5x scale

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.