Home / 217,981.25-327,034.41-91,556.48

Finding the Fourth Proportional to 217,981.25, 327,034.41 and 91,556.48

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Solution

The fourth proportional to 217,981.25, 327,034.41 and 91,556.48 is: 137,360.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,981.25 : 327,034.41 = 91,556.48 : x
  2. Step 2: Convert to fraction form
    217,981.25/327,034.41 = 91,556.48/x
  3. Step 3: Cross multiply
    217,981.25x = 327,034.41 × 91,556.48
  4. Step 4: Simplify right side
    217,981.25x = 29,942,118,568.16
  5. Step 5: Solve for x
    x = 29,942,118,568.16/217,981.25
  6. Step 6: Final answer
    x = 137,360.98

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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.