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Finding the Fourth Proportional to 627,737.60, 941,606.40 and 201,272.60

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Solution

The fourth proportional to 627,737.60, 941,606.40 and 201,272.60 is: 301,908.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,737.60 : 941,606.40 = 201,272.60 : x
  2. Step 2: Convert to fraction form
    627,737.60/941,606.40 = 201,272.60/x
  3. Step 3: Cross multiply
    627,737.60x = 941,606.40 × 201,272.60
  4. Step 4: Simplify right side
    627,737.60x = 189,519,568,304.64
  5. Step 5: Solve for x
    x = 189,519,568,304.64/627,737.60
  6. Step 6: Final answer
    x = 301,908.90

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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.