Home / 327,839.24-491,661.66-140,807

Finding the Fourth Proportional to 327,839.24, 491,661.66 and 140,807

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Solution

The fourth proportional to 327,839.24, 491,661.66 and 140,807 is: 211,168.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,839.24 : 491,661.66 = 140,807 : x
  2. Step 2: Convert to fraction form
    327,839.24/491,661.66 = 140,807/x
  3. Step 3: Cross multiply
    327,839.24x = 491,661.66 × 140,807
  4. Step 4: Simplify right side
    327,839.24x = 69,229,403,359.62
  5. Step 5: Solve for x
    x = 69,229,403,359.62/327,839.24
  6. Step 6: Final answer
    x = 211,168.75

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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.