Home / 327,240.72-490,861.76-90,584.10

Finding the Fourth Proportional to 327,240.72, 490,861.76 and 90,584.10

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Solution

The fourth proportional to 327,240.72, 490,861.76 and 90,584.10 is: 135,876.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,240.72 : 490,861.76 = 90,584.10 : x
  2. Step 2: Convert to fraction form
    327,240.72/490,861.76 = 90,584.10/x
  3. Step 3: Cross multiply
    327,240.72x = 490,861.76 × 90,584.10
  4. Step 4: Simplify right side
    327,240.72x = 44,464,270,301.10
  5. Step 5: Solve for x
    x = 44,464,270,301.10/327,240.72
  6. Step 6: Final answer
    x = 135,876.34

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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.