Home / 327,110.40-490,608.50-87,227.28

Finding the Fourth Proportional to 327,110.40, 490,608.50 and 87,227.28

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Solution

The fourth proportional to 327,110.40, 490,608.50 and 87,227.28 is: 130,825.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,110.40 : 490,608.50 = 87,227.28 : x
  2. Step 2: Convert to fraction form
    327,110.40/490,608.50 = 87,227.28/x
  3. Step 3: Cross multiply
    327,110.40x = 490,608.50 × 87,227.28
  4. Step 4: Simplify right side
    327,110.40x = 42,794,444,563.74
  5. Step 5: Solve for x
    x = 42,794,444,563.74/327,110.40
  6. Step 6: Final answer
    x = 130,825.69

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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.