Home / 331,352.06-457,244.09-195,379.43

Finding the Fourth Proportional to 331,352.06, 457,244.09 and 195,379.43

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Solution

The fourth proportional to 331,352.06, 457,244.09 and 195,379.43 is: 269,610.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,352.06 : 457,244.09 = 195,379.43 : x
  2. Step 2: Convert to fraction form
    331,352.06/457,244.09 = 195,379.43/x
  3. Step 3: Cross multiply
    331,352.06x = 457,244.09 × 195,379.43
  4. Step 4: Simplify right side
    331,352.06x = 89,336,086,411.95
  5. Step 5: Solve for x
    x = 89,336,086,411.95/331,352.06
  6. Step 6: Final answer
    x = 269,610.78

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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.