Home / 212,628.07-319,053.30-200,375.43

Finding the Fourth Proportional to 212,628.07, 319,053.30 and 200,375.43

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Solution

The fourth proportional to 212,628.07, 319,053.30 and 200,375.43 is: 300,667.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,628.07 : 319,053.30 = 200,375.43 : x
  2. Step 2: Convert to fraction form
    212,628.07/319,053.30 = 200,375.43/x
  3. Step 3: Cross multiply
    212,628.07x = 319,053.30 × 200,375.43
  4. Step 4: Simplify right side
    212,628.07x = 63,930,442,180.42
  5. Step 5: Solve for x
    x = 63,930,442,180.42/212,628.07
  6. Step 6: Final answer
    x = 300,667.93

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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.