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Finding the Fourth Proportional to 494,637.80, 741,978.30 and 162,213.80

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Solution

The fourth proportional to 494,637.80, 741,978.30 and 162,213.80 is: 243,327.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,637.80 : 741,978.30 = 162,213.80 : x
  2. Step 2: Convert to fraction form
    494,637.80/741,978.30 = 162,213.80/x
  3. Step 3: Cross multiply
    494,637.80x = 741,978.30 × 162,213.80
  4. Step 4: Simplify right side
    494,637.80x = 120,359,119,560.54
  5. Step 5: Solve for x
    x = 120,359,119,560.54/494,637.80
  6. Step 6: Final answer
    x = 243,327.78

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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.