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Finding the Fourth Proportional to 627,687.60, 941,531.40 and 201,222.60

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Solution

The fourth proportional to 627,687.60, 941,531.40 and 201,222.60 is: 301,833.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,687.60 : 941,531.40 = 201,222.60 : x
  2. Step 2: Convert to fraction form
    627,687.60/941,531.40 = 201,222.60/x
  3. Step 3: Cross multiply
    627,687.60x = 941,531.40 × 201,222.60
  4. Step 4: Simplify right side
    627,687.60x = 189,457,396,289.64
  5. Step 5: Solve for x
    x = 189,457,396,289.64/627,687.60
  6. Step 6: Final answer
    x = 301,833.90

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Similar ratio
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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.