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Finding the Fourth Proportional to 227,197.37, 340,632 and 69,339.71

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Solution

The fourth proportional to 227,197.37, 340,632 and 69,339.71 is: 103,959.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,197.37 : 340,632 = 69,339.71 : x
  2. Step 2: Convert to fraction form
    227,197.37/340,632 = 69,339.71/x
  3. Step 3: Cross multiply
    227,197.37x = 340,632 × 69,339.71
  4. Step 4: Simplify right side
    227,197.37x = 23,619,324,948.30
  5. Step 5: Solve for x
    x = 23,619,324,948.30/227,197.37
  6. Step 6: Final answer
    x = 103,959.50

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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.