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Finding the Fourth Proportional to 321,796.31, 443,894.33 and 200,727.34

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Solution

The fourth proportional to 321,796.31, 443,894.33 and 200,727.34 is: 276,888.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,796.31 : 443,894.33 = 200,727.34 : x
  2. Step 2: Convert to fraction form
    321,796.31/443,894.33 = 200,727.34/x
  3. Step 3: Cross multiply
    321,796.31x = 443,894.33 × 200,727.34
  4. Step 4: Simplify right side
    321,796.31x = 89,101,727,494.06
  5. Step 5: Solve for x
    x = 89,101,727,494.06/321,796.31
  6. Step 6: Final answer
    x = 276,888.60

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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.