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Finding the Fourth Proportional to 203,191.47, 304,676.10 and 161,340.39

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Solution

The fourth proportional to 203,191.47, 304,676.10 and 161,340.39 is: 241,922.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,191.47 : 304,676.10 = 161,340.39 : x
  2. Step 2: Convert to fraction form
    203,191.47/304,676.10 = 161,340.39/x
  3. Step 3: Cross multiply
    203,191.47x = 304,676.10 × 161,340.39
  4. Step 4: Simplify right side
    203,191.47x = 49,156,560,797.68
  5. Step 5: Solve for x
    x = 49,156,560,797.68/203,191.47
  6. Step 6: Final answer
    x = 241,922.36

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1.5x scale

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.