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Finding the Fourth Proportional to 551,429.67, 826,692.47 and 196,241.43

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Solution

The fourth proportional to 551,429.67, 826,692.47 and 196,241.43 is: 294,201.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,429.67 : 826,692.47 = 196,241.43 : x
  2. Step 2: Convert to fraction form
    551,429.67/826,692.47 = 196,241.43/x
  3. Step 3: Cross multiply
    551,429.67x = 826,692.47 × 196,241.43
  4. Step 4: Simplify right side
    551,429.67x = 162,231,311,501.83
  5. Step 5: Solve for x
    x = 162,231,311,501.83/551,429.67
  6. Step 6: Final answer
    x = 294,201.27

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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.