Home / 240,494.78-331,738.20-158,823.78

Finding the Fourth Proportional to 240,494.78, 331,738.20 and 158,823.78

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Solution

The fourth proportional to 240,494.78, 331,738.20 and 158,823.78 is: 219,081.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,494.78 : 331,738.20 = 158,823.78 : x
  2. Step 2: Convert to fraction form
    240,494.78/331,738.20 = 158,823.78/x
  3. Step 3: Cross multiply
    240,494.78x = 331,738.20 × 158,823.78
  4. Step 4: Simplify right side
    240,494.78x = 52,687,914,894.40
  5. Step 5: Solve for x
    x = 52,687,914,894.40/240,494.78
  6. Step 6: Final answer
    x = 219,081.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.