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Finding the Fourth Proportional to 338,079.52, 466,562.31 and 192,908.94

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Solution

The fourth proportional to 338,079.52, 466,562.31 and 192,908.94 is: 266,221.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,079.52 : 466,562.31 = 192,908.94 : x
  2. Step 2: Convert to fraction form
    338,079.52/466,562.31 = 192,908.94/x
  3. Step 3: Cross multiply
    338,079.52x = 466,562.31 × 192,908.94
  4. Step 4: Simplify right side
    338,079.52x = 90,004,041,902.56
  5. Step 5: Solve for x
    x = 90,004,041,902.56/338,079.52
  6. Step 6: Final answer
    x = 266,221.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.