Home / 327,741.22-491,618.31-103,096.90

Finding the Fourth Proportional to 327,741.22, 491,618.31 and 103,096.90

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Solution

The fourth proportional to 327,741.22, 491,618.31 and 103,096.90 is: 154,647.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,741.22 : 491,618.31 = 103,096.90 : x
  2. Step 2: Convert to fraction form
    327,741.22/491,618.31 = 103,096.90/x
  3. Step 3: Cross multiply
    327,741.22x = 491,618.31 × 103,096.90
  4. Step 4: Simplify right side
    327,741.22x = 50,684,323,744.24
  5. Step 5: Solve for x
    x = 50,684,323,744.24/327,741.22
  6. Step 6: Final answer
    x = 154,647.39

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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.