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Finding the Fourth Proportional to 300,942.30, 451,668.60 and 123,576.60

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Solution

The fourth proportional to 300,942.30, 451,668.60 and 123,576.60 is: 185,469.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,942.30 : 451,668.60 = 123,576.60 : x
  2. Step 2: Convert to fraction form
    300,942.30/451,668.60 = 123,576.60/x
  3. Step 3: Cross multiply
    300,942.30x = 451,668.60 × 123,576.60
  4. Step 4: Simplify right side
    300,942.30x = 55,815,669,914.76
  5. Step 5: Solve for x
    x = 55,815,669,914.76/300,942.30
  6. Step 6: Final answer
    x = 185,469.67

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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.