Home / 259,578.13-389,725.77-179,418.64

Finding the Fourth Proportional to 259,578.13, 389,725.77 and 179,418.64

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Solution

The fourth proportional to 259,578.13, 389,725.77 and 179,418.64 is: 269,375.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,578.13 : 389,725.77 = 179,418.64 : x
  2. Step 2: Convert to fraction form
    259,578.13/389,725.77 = 179,418.64/x
  3. Step 3: Cross multiply
    259,578.13x = 389,725.77 × 179,418.64
  4. Step 4: Simplify right side
    259,578.13x = 69,924,067,626.35
  5. Step 5: Solve for x
    x = 69,924,067,626.35/259,578.13
  6. Step 6: Final answer
    x = 269,375.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.