Home / 627,517.72-941,268.30-154,207.24

Finding the Fourth Proportional to 627,517.72, 941,268.30 and 154,207.24

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Solution

The fourth proportional to 627,517.72, 941,268.30 and 154,207.24 is: 231,308.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,517.72 : 941,268.30 = 154,207.24 : x
  2. Step 2: Convert to fraction form
    627,517.72/941,268.30 = 154,207.24/x
  3. Step 3: Cross multiply
    627,517.72x = 941,268.30 × 154,207.24
  4. Step 4: Simplify right side
    627,517.72x = 145,150,386,642.49
  5. Step 5: Solve for x
    x = 145,150,386,642.49/627,517.72
  6. Step 6: Final answer
    x = 231,308.83

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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.