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Finding the Fourth Proportional to 234,220.82, 323,223.21 and 126,788.49

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Solution

The fourth proportional to 234,220.82, 323,223.21 and 126,788.49 is: 174,967.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,220.82 : 323,223.21 = 126,788.49 : x
  2. Step 2: Convert to fraction form
    234,220.82/323,223.21 = 126,788.49/x
  3. Step 3: Cross multiply
    234,220.82x = 323,223.21 × 126,788.49
  4. Step 4: Simplify right side
    234,220.82x = 40,980,982,728.85
  5. Step 5: Solve for x
    x = 40,980,982,728.85/234,220.82
  6. Step 6: Final answer
    x = 174,967.30

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.