Home / 226,515.88-339,786.78-68,749.48

Finding the Fourth Proportional to 226,515.88, 339,786.78 and 68,749.48

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Solution

The fourth proportional to 226,515.88, 339,786.78 and 68,749.48 is: 103,128.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,515.88 : 339,786.78 = 68,749.48 : x
  2. Step 2: Convert to fraction form
    226,515.88/339,786.78 = 68,749.48/x
  3. Step 3: Cross multiply
    226,515.88x = 339,786.78 × 68,749.48
  4. Step 4: Simplify right side
    226,515.88x = 23,360,164,435.87
  5. Step 5: Solve for x
    x = 23,360,164,435.87/226,515.88
  6. Step 6: Final answer
    x = 103,128.15

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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.