Home / 327,857.00-491,493.74-128,131.97

Finding the Fourth Proportional to 327,857.00, 491,493.74 and 128,131.97

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Solution

The fourth proportional to 327,857.00, 491,493.74 and 128,131.97 is: 192,083.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,857.00 : 491,493.74 = 128,131.97 : x
  2. Step 2: Convert to fraction form
    327,857.00/491,493.74 = 128,131.97/x
  3. Step 3: Cross multiply
    327,857.00x = 491,493.74 × 128,131.97
  4. Step 4: Simplify right side
    327,857.00x = 62,976,058,050.74
  5. Step 5: Solve for x
    x = 62,976,058,050.74/327,857.00
  6. Step 6: Final answer
    x = 192,083.92

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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.