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Finding the Fourth Proportional to 203,344.56, 304,955.46 and 76,942.44

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Solution

The fourth proportional to 203,344.56, 304,955.46 and 76,942.44 is: 115,390.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,344.56 : 304,955.46 = 76,942.44 : x
  2. Step 2: Convert to fraction form
    203,344.56/304,955.46 = 76,942.44/x
  3. Step 3: Cross multiply
    203,344.56x = 304,955.46 × 76,942.44
  4. Step 4: Simplify right side
    203,344.56x = 23,464,017,183.72
  5. Step 5: Solve for x
    x = 23,464,017,183.72/203,344.56
  6. Step 6: Final answer
    x = 115,390.43

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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.