Home / 326,447.20-489,473.97-149,103.37

Finding the Fourth Proportional to 326,447.20, 489,473.97 and 149,103.37

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Solution

The fourth proportional to 326,447.20, 489,473.97 and 149,103.37 is: 223,565.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,447.20 : 489,473.97 = 149,103.37 : x
  2. Step 2: Convert to fraction form
    326,447.20/489,473.97 = 149,103.37/x
  3. Step 3: Cross multiply
    326,447.20x = 489,473.97 × 149,103.37
  4. Step 4: Simplify right side
    326,447.20x = 72,982,218,454.28
  5. Step 5: Solve for x
    x = 72,982,218,454.28/326,447.20
  6. Step 6: Final answer
    x = 223,565.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.