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Finding the Fourth Proportional to 201,028.01, 277,399.55 and 120,440.57

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Solution

The fourth proportional to 201,028.01, 277,399.55 and 120,440.57 is: 166,196.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,028.01 : 277,399.55 = 120,440.57 : x
  2. Step 2: Convert to fraction form
    201,028.01/277,399.55 = 120,440.57/x
  3. Step 3: Cross multiply
    201,028.01x = 277,399.55 × 120,440.57
  4. Step 4: Simplify right side
    201,028.01x = 33,410,158,833.85
  5. Step 5: Solve for x
    x = 33,410,158,833.85/201,028.01
  6. Step 6: Final answer
    x = 166,196.54

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.