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Finding the Fourth Proportional to 322,405.40, 483,608.10 and 222,872.60

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Solution

The fourth proportional to 322,405.40, 483,608.10 and 222,872.60 is: 334,308.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,405.40 : 483,608.10 = 222,872.60 : x
  2. Step 2: Convert to fraction form
    322,405.40/483,608.10 = 222,872.60/x
  3. Step 3: Cross multiply
    322,405.40x = 483,608.10 × 222,872.60
  4. Step 4: Simplify right side
    322,405.40x = 107,782,994,628.06
  5. Step 5: Solve for x
    x = 107,782,994,628.06/322,405.40
  6. Step 6: Final answer
    x = 334,308.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.