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Finding the Fourth Proportional to 148,408.80, 222,467.40 and 132,662.40

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Solution

The fourth proportional to 148,408.80, 222,467.40 and 132,662.40 is: 198,863.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,408.80 : 222,467.40 = 132,662.40 : x
  2. Step 2: Convert to fraction form
    148,408.80/222,467.40 = 132,662.40/x
  3. Step 3: Cross multiply
    148,408.80x = 222,467.40 × 132,662.40
  4. Step 4: Simplify right side
    148,408.80x = 29,513,059,205.76
  5. Step 5: Solve for x
    x = 29,513,059,205.76/148,408.80
  6. Step 6: Final answer
    x = 198,863.27

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1.5x scale

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.