Home / 327,842.60-491,159.10-187,183.40

Finding the Fourth Proportional to 327,842.60, 491,159.10 and 187,183.40

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Solution

The fourth proportional to 327,842.60, 491,159.10 and 187,183.40 is: 280,429.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,842.60 : 491,159.10 = 187,183.40 : x
  2. Step 2: Convert to fraction form
    327,842.60/491,159.10 = 187,183.40/x
  3. Step 3: Cross multiply
    327,842.60x = 491,159.10 × 187,183.40
  4. Step 4: Simplify right side
    327,842.60x = 91,936,830,278.94
  5. Step 5: Solve for x
    x = 91,936,830,278.94/327,842.60
  6. Step 6: Final answer
    x = 280,429.79

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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.