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Finding the Fourth Proportional to 179,662.02, 269,679.96 and 132,330.56

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Solution

The fourth proportional to 179,662.02, 269,679.96 and 132,330.56 is: 198,633.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,662.02 : 269,679.96 = 132,330.56 : x
  2. Step 2: Convert to fraction form
    179,662.02/269,679.96 = 132,330.56/x
  3. Step 3: Cross multiply
    179,662.02x = 269,679.96 × 132,330.56
  4. Step 4: Simplify right side
    179,662.02x = 35,686,899,923.95
  5. Step 5: Solve for x
    x = 35,686,899,923.95/179,662.02
  6. Step 6: Final answer
    x = 198,633.52

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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.