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Finding the Fourth Proportional to 268,858.63, 371,023.09 and 147,996.71

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Solution

The fourth proportional to 268,858.63, 371,023.09 and 147,996.71 is: 204,234.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,858.63 : 371,023.09 = 147,996.71 : x
  2. Step 2: Convert to fraction form
    268,858.63/371,023.09 = 147,996.71/x
  3. Step 3: Cross multiply
    268,858.63x = 371,023.09 × 147,996.71
  4. Step 4: Simplify right side
    268,858.63x = 54,910,196,654.03
  5. Step 5: Solve for x
    x = 54,910,196,654.03/268,858.63
  6. Step 6: Final answer
    x = 204,234.46

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1.5x scale

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.