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Finding the Fourth Proportional to 198,357.40, 273,732.90 and 108,933.40

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Solution

The fourth proportional to 198,357.40, 273,732.90 and 108,933.40 is: 150,327.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,357.40 : 273,732.90 = 108,933.40 : x
  2. Step 2: Convert to fraction form
    198,357.40/273,732.90 = 108,933.40/x
  3. Step 3: Cross multiply
    198,357.40x = 273,732.90 × 108,933.40
  4. Step 4: Simplify right side
    198,357.40x = 29,818,655,488.86
  5. Step 5: Solve for x
    x = 29,818,655,488.86/198,357.40
  6. Step 6: Final answer
    x = 150,327.92

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.