Home / 327,072.76-451,402.14-199,721.56

Finding the Fourth Proportional to 327,072.76, 451,402.14 and 199,721.56

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Solution

The fourth proportional to 327,072.76, 451,402.14 and 199,721.56 is: 275,641.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,072.76 : 451,402.14 = 199,721.56 : x
  2. Step 2: Convert to fraction form
    327,072.76/451,402.14 = 199,721.56/x
  3. Step 3: Cross multiply
    327,072.76x = 451,402.14 × 199,721.56
  4. Step 4: Simplify right side
    327,072.76x = 90,154,739,588.14
  5. Step 5: Solve for x
    x = 90,154,739,588.14/327,072.76
  6. Step 6: Final answer
    x = 275,641.24

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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.