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Finding the Fourth Proportional to 135,324.40, 203,015.40 and 41,839.60

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Solution

The fourth proportional to 135,324.40, 203,015.40 and 41,839.60 is: 62,768.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,324.40 : 203,015.40 = 41,839.60 : x
  2. Step 2: Convert to fraction form
    135,324.40/203,015.40 = 41,839.60/x
  3. Step 3: Cross multiply
    135,324.40x = 203,015.40 × 41,839.60
  4. Step 4: Simplify right side
    135,324.40x = 8,494,083,129.84
  5. Step 5: Solve for x
    x = 8,494,083,129.84/135,324.40
  6. Step 6: Final answer
    x = 62,768.30

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1.5x scale

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.