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Finding the Fourth Proportional to 275,633.70, 412,847.76 and 195,428.55

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Solution

The fourth proportional to 275,633.70, 412,847.76 and 195,428.55 is: 292,715.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,633.70 : 412,847.76 = 195,428.55 : x
  2. Step 2: Convert to fraction form
    275,633.70/412,847.76 = 195,428.55/x
  3. Step 3: Cross multiply
    275,633.70x = 412,847.76 × 195,428.55
  4. Step 4: Simplify right side
    275,633.70x = 80,682,240,655.73
  5. Step 5: Solve for x
    x = 80,682,240,655.73/275,633.70
  6. Step 6: Final answer
    x = 292,715.44

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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.