Home / 327,244.43-490,811.96-90,611.03

Finding the Fourth Proportional to 327,244.43, 490,811.96 and 90,611.03

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Solution

The fourth proportional to 327,244.43, 490,811.96 and 90,611.03 is: 135,901.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,244.43 : 490,811.96 = 90,611.03 : x
  2. Step 2: Convert to fraction form
    327,244.43/490,811.96 = 90,611.03/x
  3. Step 3: Cross multiply
    327,244.43x = 490,811.96 × 90,611.03
  4. Step 4: Simplify right side
    327,244.43x = 44,472,974,324.80
  5. Step 5: Solve for x
    x = 44,472,974,324.80/327,244.43
  6. Step 6: Final answer
    x = 135,901.40

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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.