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Finding the Fourth Proportional to 324,388.25, 447,668.44 and 179,201.52

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Solution

The fourth proportional to 324,388.25, 447,668.44 and 179,201.52 is: 247,305.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,388.25 : 447,668.44 = 179,201.52 : x
  2. Step 2: Convert to fraction form
    324,388.25/447,668.44 = 179,201.52/x
  3. Step 3: Cross multiply
    324,388.25x = 447,668.44 × 179,201.52
  4. Step 4: Simplify right side
    324,388.25x = 80,222,864,904.03
  5. Step 5: Solve for x
    x = 80,222,864,904.03/324,388.25
  6. Step 6: Final answer
    x = 247,305.09

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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.