Home / 671,982.70-1,007,974.05-198,672.70

Finding the Fourth Proportional to 671,982.70, 1,007,974.05 and 198,672.70

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Solution

The fourth proportional to 671,982.70, 1,007,974.05 and 198,672.70 is: 298,009.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,982.70 : 1,007,974.05 = 198,672.70 : x
  2. Step 2: Convert to fraction form
    671,982.70/1,007,974.05 = 198,672.70/x
  3. Step 3: Cross multiply
    671,982.70x = 1,007,974.05 × 198,672.70
  4. Step 4: Simplify right side
    671,982.70x = 200,256,926,043.44
  5. Step 5: Solve for x
    x = 200,256,926,043.44/671,982.70
  6. Step 6: Final answer
    x = 298,009.05

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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.