Home / 274,660.92-379,070.46-198,426.66

Finding the Fourth Proportional to 274,660.92, 379,070.46 and 198,426.66

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Solution

The fourth proportional to 274,660.92, 379,070.46 and 198,426.66 is: 273,856.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,660.92 : 379,070.46 = 198,426.66 : x
  2. Step 2: Convert to fraction form
    274,660.92/379,070.46 = 198,426.66/x
  3. Step 3: Cross multiply
    274,660.92x = 379,070.46 × 198,426.66
  4. Step 4: Simplify right side
    274,660.92x = 75,217,685,282.46
  5. Step 5: Solve for x
    x = 75,217,685,282.46/274,660.92
  6. Step 6: Final answer
    x = 273,856.53

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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.