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Finding the Fourth Proportional to 72,204.76, 108,267.49 and 22,271

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Solution

The fourth proportional to 72,204.76, 108,267.49 and 22,271 is: 33,394.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,204.76 : 108,267.49 = 22,271 : x
  2. Step 2: Convert to fraction form
    72,204.76/108,267.49 = 22,271/x
  3. Step 3: Cross multiply
    72,204.76x = 108,267.49 × 22,271
  4. Step 4: Simplify right side
    72,204.76x = 2,411,225,269.79
  5. Step 5: Solve for x
    x = 2,411,225,269.79/72,204.76
  6. Step 6: Final answer
    x = 33,394.27

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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.