Home / 212,771.22-319,112.61-62,976.38

Finding the Fourth Proportional to 212,771.22, 319,112.61 and 62,976.38

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Solution

The fourth proportional to 212,771.22, 319,112.61 and 62,976.38 is: 94,451.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,771.22 : 319,112.61 = 62,976.38 : x
  2. Step 2: Convert to fraction form
    212,771.22/319,112.61 = 62,976.38/x
  3. Step 3: Cross multiply
    212,771.22x = 319,112.61 × 62,976.38
  4. Step 4: Simplify right side
    212,771.22x = 20,096,555,394.59
  5. Step 5: Solve for x
    x = 20,096,555,394.59/212,771.22
  6. Step 6: Final answer
    x = 94,451.47

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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.