Home / 327,361.31-491,062.73-102,730.61

Finding the Fourth Proportional to 327,361.31, 491,062.73 and 102,730.61

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Solution

The fourth proportional to 327,361.31, 491,062.73 and 102,730.61 is: 154,102.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,361.31 : 491,062.73 = 102,730.61 : x
  2. Step 2: Convert to fraction form
    327,361.31/491,062.73 = 102,730.61/x
  3. Step 3: Cross multiply
    327,361.31x = 491,062.73 × 102,730.61
  4. Step 4: Simplify right side
    327,361.31x = 50,447,170,832.20
  5. Step 5: Solve for x
    x = 50,447,170,832.20/327,361.31
  6. Step 6: Final answer
    x = 154,102.42

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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.