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Finding the Fourth Proportional to 322,806, 484,286.76 and 101,190

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Solution

The fourth proportional to 322,806, 484,286.76 and 101,190 is: 151,809.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,806 : 484,286.76 = 101,190 : x
  2. Step 2: Convert to fraction form
    322,806/484,286.76 = 101,190/x
  3. Step 3: Cross multiply
    322,806x = 484,286.76 × 101,190
  4. Step 4: Simplify right side
    322,806x = 49,004,977,244.40
  5. Step 5: Solve for x
    x = 49,004,977,244.40/322,806
  6. Step 6: Final answer
    x = 151,809.38

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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.