Home / 320,339.26-442,029.72-177,079.69

Finding the Fourth Proportional to 320,339.26, 442,029.72 and 177,079.69

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Solution

The fourth proportional to 320,339.26, 442,029.72 and 177,079.69 is: 244,348.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,339.26 : 442,029.72 = 177,079.69 : x
  2. Step 2: Convert to fraction form
    320,339.26/442,029.72 = 177,079.69/x
  3. Step 3: Cross multiply
    320,339.26x = 442,029.72 × 177,079.69
  4. Step 4: Simplify right side
    320,339.26x = 78,274,485,788.39
  5. Step 5: Solve for x
    x = 78,274,485,788.39/320,339.26
  6. Step 6: Final answer
    x = 244,348.71

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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.