Home / 327,362.31-491,064.23-102,731.61

Finding the Fourth Proportional to 327,362.31, 491,064.23 and 102,731.61

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Solution

The fourth proportional to 327,362.31, 491,064.23 and 102,731.61 is: 154,103.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,362.31 : 491,064.23 = 102,731.61 : x
  2. Step 2: Convert to fraction form
    327,362.31/491,064.23 = 102,731.61/x
  3. Step 3: Cross multiply
    327,362.31x = 491,064.23 × 102,731.61
  4. Step 4: Simplify right side
    327,362.31x = 50,447,818,961.31
  5. Step 5: Solve for x
    x = 50,447,818,961.31/327,362.31
  6. Step 6: Final answer
    x = 154,103.93

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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.