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Finding the Fourth Proportional to 322,593.92, 445,159.20 and 179,351.36

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Solution

The fourth proportional to 322,593.92, 445,159.20 and 179,351.36 is: 247,493.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,593.92 : 445,159.20 = 179,351.36 : x
  2. Step 2: Convert to fraction form
    322,593.92/445,159.20 = 179,351.36/x
  3. Step 3: Cross multiply
    322,593.92x = 445,159.20 × 179,351.36
  4. Step 4: Simplify right side
    322,593.92x = 79,839,907,936.51
  5. Step 5: Solve for x
    x = 79,839,907,936.51/322,593.92
  6. Step 6: Final answer
    x = 247,493.53

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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.