Home / 325,977.52-449,853.06-198,664.96

Finding the Fourth Proportional to 325,977.52, 449,853.06 and 198,664.96

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Solution

The fourth proportional to 325,977.52, 449,853.06 and 198,664.96 is: 274,160.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,977.52 : 449,853.06 = 198,664.96 : x
  2. Step 2: Convert to fraction form
    325,977.52/449,853.06 = 198,664.96/x
  3. Step 3: Cross multiply
    325,977.52x = 449,853.06 × 198,664.96
  4. Step 4: Simplify right side
    325,977.52x = 89,370,040,170.78
  5. Step 5: Solve for x
    x = 89,370,040,170.78/325,977.52
  6. Step 6: Final answer
    x = 274,160.13

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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.