Home / 212,676.22-319,014.60-199,685.44

Finding the Fourth Proportional to 212,676.22, 319,014.60 and 199,685.44

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Solution

The fourth proportional to 212,676.22, 319,014.60 and 199,685.44 is: 299,528.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,676.22 : 319,014.60 = 199,685.44 : x
  2. Step 2: Convert to fraction form
    212,676.22/319,014.60 = 199,685.44/x
  3. Step 3: Cross multiply
    212,676.22x = 319,014.60 × 199,685.44
  4. Step 4: Simplify right side
    212,676.22x = 63,702,570,767.42
  5. Step 5: Solve for x
    x = 63,702,570,767.42/212,676.22
  6. Step 6: Final answer
    x = 299,528.41

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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.