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Finding the Fourth Proportional to 198,232.72, 297,282.42 and 71,846.51

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Solution

The fourth proportional to 198,232.72, 297,282.42 and 71,846.51 is: 107,745.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,232.72 : 297,282.42 = 71,846.51 : x
  2. Step 2: Convert to fraction form
    198,232.72/297,282.42 = 71,846.51/x
  3. Step 3: Cross multiply
    198,232.72x = 297,282.42 × 71,846.51
  4. Step 4: Simplify right side
    198,232.72x = 21,358,702,874.94
  5. Step 5: Solve for x
    x = 21,358,702,874.94/198,232.72
  6. Step 6: Final answer
    x = 107,745.60

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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.