Home / 300,884.31-451,325.67-76,244.10

Finding the Fourth Proportional to 300,884.31, 451,325.67 and 76,244.10

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Solution

The fourth proportional to 300,884.31, 451,325.67 and 76,244.10 is: 114,365.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,884.31 : 451,325.67 = 76,244.10 : x
  2. Step 2: Convert to fraction form
    300,884.31/451,325.67 = 76,244.10/x
  3. Step 3: Cross multiply
    300,884.31x = 451,325.67 × 76,244.10
  4. Step 4: Simplify right side
    300,884.31x = 34,410,919,516.05
  5. Step 5: Solve for x
    x = 34,410,919,516.05/300,884.31
  6. Step 6: Final answer
    x = 114,365.95

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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.