Home / 322,982.16-445,253.46-227,191.56

Finding the Fourth Proportional to 322,982.16, 445,253.46 and 227,191.56

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Solution

The fourth proportional to 322,982.16, 445,253.46 and 227,191.56 is: 313,199.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,982.16 : 445,253.46 = 227,191.56 : x
  2. Step 2: Convert to fraction form
    322,982.16/445,253.46 = 227,191.56/x
  3. Step 3: Cross multiply
    322,982.16x = 445,253.46 × 227,191.56
  4. Step 4: Simplify right side
    322,982.16x = 101,157,828,172.80
  5. Step 5: Solve for x
    x = 101,157,828,172.80/322,982.16
  6. Step 6: Final answer
    x = 313,199.43

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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.