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Finding the Fourth Proportional to 275,235.36, 412,753.97 and 95,271.89

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Solution

The fourth proportional to 275,235.36, 412,753.97 and 95,271.89 is: 142,873.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,235.36 : 412,753.97 = 95,271.89 : x
  2. Step 2: Convert to fraction form
    275,235.36/412,753.97 = 95,271.89/x
  3. Step 3: Cross multiply
    275,235.36x = 412,753.97 × 95,271.89
  4. Step 4: Simplify right side
    275,235.36x = 39,323,848,286.77
  5. Step 5: Solve for x
    x = 39,323,848,286.77/275,235.36
  6. Step 6: Final answer
    x = 142,873.53

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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.