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Finding the Fourth Proportional to 627,773.60, 941,617.20 and 201,303.20

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Solution

The fourth proportional to 627,773.60, 941,617.20 and 201,303.20 is: 301,940.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,773.60 : 941,617.20 = 201,303.20 : x
  2. Step 2: Convert to fraction form
    627,773.60/941,617.20 = 201,303.20/x
  3. Step 3: Cross multiply
    627,773.60x = 941,617.20 × 201,303.20
  4. Step 4: Simplify right side
    627,773.60x = 189,550,555,535.04
  5. Step 5: Solve for x
    x = 189,550,555,535.04/627,773.60
  6. Step 6: Final answer
    x = 301,940.95

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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.