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Finding the Fourth Proportional to 440,936, 661,404 and 108,512

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Solution

The fourth proportional to 440,936, 661,404 and 108,512 is: 162,768

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,936 : 661,404 = 108,512 : x
  2. Step 2: Convert to fraction form
    440,936/661,404 = 108,512/x
  3. Step 3: Cross multiply
    440,936x = 661,404 × 108,512
  4. Step 4: Simplify right side
    440,936x = 71,770,270,848
  5. Step 5: Solve for x
    x = 71,770,270,848/440,936
  6. Step 6: Final answer
    x = 162,768

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.