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Finding the Fourth Proportional to 281,753.37, 422,656.11 and 101,883.69

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Solution

The fourth proportional to 281,753.37, 422,656.11 and 101,883.69 is: 152,834.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,753.37 : 422,656.11 = 101,883.69 : x
  2. Step 2: Convert to fraction form
    281,753.37/422,656.11 = 101,883.69/x
  3. Step 3: Cross multiply
    281,753.37x = 422,656.11 × 101,883.69
  4. Step 4: Simplify right side
    281,753.37x = 43,061,764,087.85
  5. Step 5: Solve for x
    x = 43,061,764,087.85/281,753.37
  6. Step 6: Final answer
    x = 152,834.96

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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.