Home / 327,078.18-490,807.62-137,524.81

Finding the Fourth Proportional to 327,078.18, 490,807.62 and 137,524.81

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Solution

The fourth proportional to 327,078.18, 490,807.62 and 137,524.81 is: 206,367.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,078.18 : 490,807.62 = 137,524.81 : x
  2. Step 2: Convert to fraction form
    327,078.18/490,807.62 = 137,524.81/x
  3. Step 3: Cross multiply
    327,078.18x = 490,807.62 × 137,524.81
  4. Step 4: Simplify right side
    327,078.18x = 67,498,224,687.05
  5. Step 5: Solve for x
    x = 67,498,224,687.05/327,078.18
  6. Step 6: Final answer
    x = 206,367.25

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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.