Home / 255,436.98-352,488.15-187,738.26

Finding the Fourth Proportional to 255,436.98, 352,488.15 and 187,738.26

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Solution

The fourth proportional to 255,436.98, 352,488.15 and 187,738.26 is: 259,067.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,436.98 : 352,488.15 = 187,738.26 : x
  2. Step 2: Convert to fraction form
    255,436.98/352,488.15 = 187,738.26/x
  3. Step 3: Cross multiply
    255,436.98x = 352,488.15 × 187,738.26
  4. Step 4: Simplify right side
    255,436.98x = 66,175,511,951.62
  5. Step 5: Solve for x
    x = 66,175,511,951.62/255,436.98
  6. Step 6: Final answer
    x = 259,067.86

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1.5x scale

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.