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Finding the Fourth Proportional to 201,046.40, 301,132.20 and 122,022.80

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Solution

The fourth proportional to 201,046.40, 301,132.20 and 122,022.80 is: 182,768.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,046.40 : 301,132.20 = 122,022.80 : x
  2. Step 2: Convert to fraction form
    201,046.40/301,132.20 = 122,022.80/x
  3. Step 3: Cross multiply
    201,046.40x = 301,132.20 × 122,022.80
  4. Step 4: Simplify right side
    201,046.40x = 36,744,994,214.16
  5. Step 5: Solve for x
    x = 36,744,994,214.16/201,046.40
  6. Step 6: Final answer
    x = 182,768.73

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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.