Home / 354,650.27-489,418.92-193,508.69

Finding the Fourth Proportional to 354,650.27, 489,418.92 and 193,508.69

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Solution

The fourth proportional to 354,650.27, 489,418.92 and 193,508.69 is: 267,042.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,650.27 : 489,418.92 = 193,508.69 : x
  2. Step 2: Convert to fraction form
    354,650.27/489,418.92 = 193,508.69/x
  3. Step 3: Cross multiply
    354,650.27x = 489,418.92 × 193,508.69
  4. Step 4: Simplify right side
    354,650.27x = 94,706,811,623.32
  5. Step 5: Solve for x
    x = 94,706,811,623.32/354,650.27
  6. Step 6: Final answer
    x = 267,042.83

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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.