Home / 327,494.85-491,242.23-90,837.53

Finding the Fourth Proportional to 327,494.85, 491,242.23 and 90,837.53

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Solution

The fourth proportional to 327,494.85, 491,242.23 and 90,837.53 is: 136,256.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,494.85 : 491,242.23 = 90,837.53 : x
  2. Step 2: Convert to fraction form
    327,494.85/491,242.23 = 90,837.53/x
  3. Step 3: Cross multiply
    327,494.85x = 491,242.23 × 90,837.53
  4. Step 4: Simplify right side
    327,494.85x = 44,623,228,348.68
  5. Step 5: Solve for x
    x = 44,623,228,348.68/327,494.85
  6. Step 6: Final answer
    x = 136,256.28

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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.