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Finding the Fourth Proportional to 322,611, 445,203.18 and 181,299

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Solution

The fourth proportional to 322,611, 445,203.18 and 181,299 is: 250,192.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,611 : 445,203.18 = 181,299 : x
  2. Step 2: Convert to fraction form
    322,611/445,203.18 = 181,299/x
  3. Step 3: Cross multiply
    322,611x = 445,203.18 × 181,299
  4. Step 4: Simplify right side
    322,611x = 80,714,891,330.82
  5. Step 5: Solve for x
    x = 80,714,891,330.82/322,611
  6. Step 6: Final answer
    x = 250,192.62

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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.