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Finding the Fourth Proportional to 198,003.20, 296,745.60 and 79,577.60

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Solution

The fourth proportional to 198,003.20, 296,745.60 and 79,577.60 is: 119,262.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,003.20 : 296,745.60 = 79,577.60 : x
  2. Step 2: Convert to fraction form
    198,003.20/296,745.60 = 79,577.60/x
  3. Step 3: Cross multiply
    198,003.20x = 296,745.60 × 79,577.60
  4. Step 4: Simplify right side
    198,003.20x = 23,614,302,658.56
  5. Step 5: Solve for x
    x = 23,614,302,658.56/198,003.20
  6. Step 6: Final answer
    x = 119,262.23

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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.