Home / 327,339.09-491,008.64-102,734.19

Finding the Fourth Proportional to 327,339.09, 491,008.64 and 102,734.19

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Solution

The fourth proportional to 327,339.09, 491,008.64 and 102,734.19 is: 154,101.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,339.09 : 491,008.64 = 102,734.19 : x
  2. Step 2: Convert to fraction form
    327,339.09/491,008.64 = 102,734.19/x
  3. Step 3: Cross multiply
    327,339.09x = 491,008.64 × 102,734.19
  4. Step 4: Simplify right side
    327,339.09x = 50,443,374,399.73
  5. Step 5: Solve for x
    x = 50,443,374,399.73/327,339.09
  6. Step 6: Final answer
    x = 154,101.29

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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.