Home / 331,270.88-457,213.38-195,296.72

Finding the Fourth Proportional to 331,270.88, 457,213.38 and 195,296.72

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Solution

The fourth proportional to 331,270.88, 457,213.38 and 195,296.72 is: 269,544.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,270.88 : 457,213.38 = 195,296.72 : x
  2. Step 2: Convert to fraction form
    331,270.88/457,213.38 = 195,296.72/x
  3. Step 3: Cross multiply
    331,270.88x = 457,213.38 × 195,296.72
  4. Step 4: Simplify right side
    331,270.88x = 89,292,273,454.11
  5. Step 5: Solve for x
    x = 89,292,273,454.11/331,270.88
  6. Step 6: Final answer
    x = 269,544.59

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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.