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Finding the Fourth Proportional to 221,833.26, 332,749.62 and 53,353.44

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Solution

The fourth proportional to 221,833.26, 332,749.62 and 53,353.44 is: 80,030.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,833.26 : 332,749.62 = 53,353.44 : x
  2. Step 2: Convert to fraction form
    221,833.26/332,749.62 = 53,353.44/x
  3. Step 3: Cross multiply
    221,833.26x = 332,749.62 × 53,353.44
  4. Step 4: Simplify right side
    221,833.26x = 17,753,336,885.69
  5. Step 5: Solve for x
    x = 17,753,336,885.69/221,833.26
  6. Step 6: Final answer
    x = 80,030.10

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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.