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Finding the Fourth Proportional to 484,194.38, 726,408.21 and 151,770.38

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Solution

The fourth proportional to 484,194.38, 726,408.21 and 151,770.38 is: 227,692.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,194.38 : 726,408.21 = 151,770.38 : x
  2. Step 2: Convert to fraction form
    484,194.38/726,408.21 = 151,770.38/x
  3. Step 3: Cross multiply
    484,194.38x = 726,408.21 × 151,770.38
  4. Step 4: Simplify right side
    484,194.38x = 110,247,250,066.82
  5. Step 5: Solve for x
    x = 110,247,250,066.82/484,194.38
  6. Step 6: Final answer
    x = 227,692.13

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Why These Related Problems?

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