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Finding the Fourth Proportional to 227,453.55, 341,121.91 and 67,491.65

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Solution

The fourth proportional to 227,453.55, 341,121.91 and 67,491.65 is: 101,220.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,453.55 : 341,121.91 = 67,491.65 : x
  2. Step 2: Convert to fraction form
    227,453.55/341,121.91 = 67,491.65/x
  3. Step 3: Cross multiply
    227,453.55x = 341,121.91 × 67,491.65
  4. Step 4: Simplify right side
    227,453.55x = 23,022,880,557.05
  5. Step 5: Solve for x
    x = 23,022,880,557.05/227,453.55
  6. Step 6: Final answer
    x = 101,220.14

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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.