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Finding the Fourth Proportional to 200,304.48, 300,348.96 and 80,301.20

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Solution

The fourth proportional to 200,304.48, 300,348.96 and 80,301.20 is: 120,408.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,304.48 : 300,348.96 = 80,301.20 : x
  2. Step 2: Convert to fraction form
    200,304.48/300,348.96 = 80,301.20/x
  3. Step 3: Cross multiply
    200,304.48x = 300,348.96 × 80,301.20
  4. Step 4: Simplify right side
    200,304.48x = 24,118,381,906.75
  5. Step 5: Solve for x
    x = 24,118,381,906.75/200,304.48
  6. Step 6: Final answer
    x = 120,408.60

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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.