Home / 212,674.26-319,012.60-54,891.92

Finding the Fourth Proportional to 212,674.26, 319,012.60 and 54,891.92

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Solution

The fourth proportional to 212,674.26, 319,012.60 and 54,891.92 is: 82,338.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,674.26 : 319,012.60 = 54,891.92 : x
  2. Step 2: Convert to fraction form
    212,674.26/319,012.60 = 54,891.92/x
  3. Step 3: Cross multiply
    212,674.26x = 319,012.60 × 54,891.92
  4. Step 4: Simplify right side
    212,674.26x = 17,511,214,118.19
  5. Step 5: Solve for x
    x = 17,511,214,118.19/212,674.26
  6. Step 6: Final answer
    x = 82,338.19

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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.