Home / 331,267.88-457,209.24-195,293.72

Finding the Fourth Proportional to 331,267.88, 457,209.24 and 195,293.72

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Solution

The fourth proportional to 331,267.88, 457,209.24 and 195,293.72 is: 269,540.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,267.88 : 457,209.24 = 195,293.72 : x
  2. Step 2: Convert to fraction form
    331,267.88/457,209.24 = 195,293.72/x
  3. Step 3: Cross multiply
    331,267.88x = 457,209.24 × 195,293.72
  4. Step 4: Simplify right side
    331,267.88x = 89,290,093,297.97
  5. Step 5: Solve for x
    x = 89,290,093,297.97/331,267.88
  6. Step 6: Final answer
    x = 269,540.45

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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.