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Finding the Fourth Proportional to 255,843.90, 352,922.82 and 179,476.68

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Solution

The fourth proportional to 255,843.90, 352,922.82 and 179,476.68 is: 247,578.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,843.90 : 352,922.82 = 179,476.68 : x
  2. Step 2: Convert to fraction form
    255,843.90/352,922.82 = 179,476.68/x
  3. Step 3: Cross multiply
    255,843.90x = 352,922.82 × 179,476.68
  4. Step 4: Simplify right side
    255,843.90x = 63,341,416,029.84
  5. Step 5: Solve for x
    x = 63,341,416,029.84/255,843.90
  6. Step 6: Final answer
    x = 247,578.37

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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.