Home / 627,389.12-941,086.82-154,074.62

Finding the Fourth Proportional to 627,389.12, 941,086.82 and 154,074.62

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Solution

The fourth proportional to 627,389.12, 941,086.82 and 154,074.62 is: 231,112.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,389.12 : 941,086.82 = 154,074.62 : x
  2. Step 2: Convert to fraction form
    627,389.12/941,086.82 = 154,074.62/x
  3. Step 3: Cross multiply
    627,389.12x = 941,086.82 × 154,074.62
  4. Step 4: Simplify right side
    627,389.12x = 144,997,589,858.26
  5. Step 5: Solve for x
    x = 144,997,589,858.26/627,389.12
  6. Step 6: Final answer
    x = 231,112.70

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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.