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Finding the Fourth Proportional to 323,057.73, 445,819.68 and 179,814.69

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Solution

The fourth proportional to 323,057.73, 445,819.68 and 179,814.69 is: 248,144.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,057.73 : 445,819.68 = 179,814.69 : x
  2. Step 2: Convert to fraction form
    323,057.73/445,819.68 = 179,814.69/x
  3. Step 3: Cross multiply
    323,057.73x = 445,819.68 × 179,814.69
  4. Step 4: Simplify right side
    323,057.73x = 80,164,927,555.10
  5. Step 5: Solve for x
    x = 80,164,927,555.10/323,057.73
  6. Step 6: Final answer
    x = 248,144.28

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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.