Home / 326,079.24-449,980.02-198,708.36

Finding the Fourth Proportional to 326,079.24, 449,980.02 and 198,708.36

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Solution

The fourth proportional to 326,079.24, 449,980.02 and 198,708.36 is: 274,211.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,079.24 : 449,980.02 = 198,708.36 : x
  2. Step 2: Convert to fraction form
    326,079.24/449,980.02 = 198,708.36/x
  3. Step 3: Cross multiply
    326,079.24x = 449,980.02 × 198,708.36
  4. Step 4: Simplify right side
    326,079.24x = 89,414,791,806.97
  5. Step 5: Solve for x
    x = 89,414,791,806.97/326,079.24
  6. Step 6: Final answer
    x = 274,211.85

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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.