Home / 291,324.38-402,065.97-164,024.78

Finding the Fourth Proportional to 291,324.38, 402,065.97 and 164,024.78

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Solution

The fourth proportional to 291,324.38, 402,065.97 and 164,024.78 is: 226,375.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,324.38 : 402,065.97 = 164,024.78 : x
  2. Step 2: Convert to fraction form
    291,324.38/402,065.97 = 164,024.78/x
  3. Step 3: Cross multiply
    291,324.38x = 402,065.97 × 164,024.78
  4. Step 4: Simplify right side
    291,324.38x = 65,948,783,279.90
  5. Step 5: Solve for x
    x = 65,948,783,279.90/291,324.38
  6. Step 6: Final answer
    x = 226,375.78

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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.