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Finding the Fourth Proportional to 217,935, 326,921.28 and 60,163.44

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Solution

The fourth proportional to 217,935, 326,921.28 and 60,163.44 is: 90,250.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,935 : 326,921.28 = 60,163.44 : x
  2. Step 2: Convert to fraction form
    217,935/326,921.28 = 60,163.44/x
  3. Step 3: Cross multiply
    217,935x = 326,921.28 × 60,163.44
  4. Step 4: Simplify right side
    217,935x = 19,668,708,814.00
  5. Step 5: Solve for x
    x = 19,668,708,814.00/217,935
  6. Step 6: Final answer
    x = 90,250.34

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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.