Home / 327,890.27-491,635.05-157,164.22

Finding the Fourth Proportional to 327,890.27, 491,635.05 and 157,164.22

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Solution

The fourth proportional to 327,890.27, 491,635.05 and 157,164.22 is: 235,650.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,890.27 : 491,635.05 = 157,164.22 : x
  2. Step 2: Convert to fraction form
    327,890.27/491,635.05 = 157,164.22/x
  3. Step 3: Cross multiply
    327,890.27x = 491,635.05 × 157,164.22
  4. Step 4: Simplify right side
    327,890.27x = 77,267,441,449.86
  5. Step 5: Solve for x
    x = 77,267,441,449.86/327,890.27
  6. Step 6: Final answer
    x = 235,650.30

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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.