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Finding the Fourth Proportional to 338,654.43, 467,348.49 and 185,706.54

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Solution

The fourth proportional to 338,654.43, 467,348.49 and 185,706.54 is: 256,277.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,654.43 : 467,348.49 = 185,706.54 : x
  2. Step 2: Convert to fraction form
    338,654.43/467,348.49 = 185,706.54/x
  3. Step 3: Cross multiply
    338,654.43x = 467,348.49 × 185,706.54
  4. Step 4: Simplify right side
    338,654.43x = 86,789,671,052.12
  5. Step 5: Solve for x
    x = 86,789,671,052.12/338,654.43
  6. Step 6: Final answer
    x = 256,277.97

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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.