Home / 627,380.82-941,074.40-154,066.37

Finding the Fourth Proportional to 627,380.82, 941,074.40 and 154,066.37

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Solution

The fourth proportional to 627,380.82, 941,074.40 and 154,066.37 is: 231,100.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,380.82 : 941,074.40 = 154,066.37 : x
  2. Step 2: Convert to fraction form
    627,380.82/941,074.40 = 154,066.37/x
  3. Step 3: Cross multiply
    627,380.82x = 941,074.40 × 154,066.37
  4. Step 4: Simplify right side
    627,380.82x = 144,987,912,387.72
  5. Step 5: Solve for x
    x = 144,987,912,387.72/627,380.82
  6. Step 6: Final answer
    x = 231,100.33

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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.