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Finding the Fourth Proportional to 533,268.26, 799,903.96 and 154,219.85

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Solution

The fourth proportional to 533,268.26, 799,903.96 and 154,219.85 is: 231,330.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,268.26 : 799,903.96 = 154,219.85 : x
  2. Step 2: Convert to fraction form
    533,268.26/799,903.96 = 154,219.85/x
  3. Step 3: Cross multiply
    533,268.26x = 799,903.96 × 154,219.85
  4. Step 4: Simplify right side
    533,268.26x = 123,361,067,340.18
  5. Step 5: Solve for x
    x = 123,361,067,340.18/533,268.26
  6. Step 6: Final answer
    x = 231,330.23

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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.