Home / 284,138.43-391,988.03-173,761.92

Finding the Fourth Proportional to 284,138.43, 391,988.03 and 173,761.92

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Solution

The fourth proportional to 284,138.43, 391,988.03 and 173,761.92 is: 239,716.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,138.43 : 391,988.03 = 173,761.92 : x
  2. Step 2: Convert to fraction form
    284,138.43/391,988.03 = 173,761.92/x
  3. Step 3: Cross multiply
    284,138.43x = 391,988.03 × 173,761.92
  4. Step 4: Simplify right side
    284,138.43x = 68,112,592,709.82
  5. Step 5: Solve for x
    x = 68,112,592,709.82/284,138.43
  6. Step 6: Final answer
    x = 239,716.23

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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.