Home / 227,034.12-312,979.76-158,839.82

Finding the Fourth Proportional to 227,034.12, 312,979.76 and 158,839.82

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Solution

The fourth proportional to 227,034.12, 312,979.76 and 158,839.82 is: 218,969.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,034.12 : 312,979.76 = 158,839.82 : x
  2. Step 2: Convert to fraction form
    227,034.12/312,979.76 = 158,839.82/x
  3. Step 3: Cross multiply
    227,034.12x = 312,979.76 × 158,839.82
  4. Step 4: Simplify right side
    227,034.12x = 49,713,648,742.04
  5. Step 5: Solve for x
    x = 49,713,648,742.04/227,034.12
  6. Step 6: Final answer
    x = 218,969.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.