Home / 327,606.24-491,098-128,054.56

Finding the Fourth Proportional to 327,606.24, 491,098 and 128,054.56

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Solution

The fourth proportional to 327,606.24, 491,098 and 128,054.56 is: 191,960.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,606.24 : 491,098 = 128,054.56 : x
  2. Step 2: Convert to fraction form
    327,606.24/491,098 = 128,054.56/x
  3. Step 3: Cross multiply
    327,606.24x = 491,098 × 128,054.56
  4. Step 4: Simplify right side
    327,606.24x = 62,887,338,306.88
  5. Step 5: Solve for x
    x = 62,887,338,306.88/327,606.24
  6. Step 6: Final answer
    x = 191,960.14

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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.