Home / 320,944.44-442,867.56-177,668.60

Finding the Fourth Proportional to 320,944.44, 442,867.56 and 177,668.60

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Solution

The fourth proportional to 320,944.44, 442,867.56 and 177,668.60 is: 245,162.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,944.44 : 442,867.56 = 177,668.60 : x
  2. Step 2: Convert to fraction form
    320,944.44/442,867.56 = 177,668.60/x
  3. Step 3: Cross multiply
    320,944.44x = 442,867.56 × 177,668.60
  4. Step 4: Simplify right side
    320,944.44x = 78,683,659,370.62
  5. Step 5: Solve for x
    x = 78,683,659,370.62/320,944.44
  6. Step 6: Final answer
    x = 245,162.87

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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.