Home / 212,719.62-319,079.43-62,961.42

Finding the Fourth Proportional to 212,719.62, 319,079.43 and 62,961.42

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Solution

The fourth proportional to 212,719.62, 319,079.43 and 62,961.42 is: 94,442.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,719.62 : 319,079.43 = 62,961.42 : x
  2. Step 2: Convert to fraction form
    212,719.62/319,079.43 = 62,961.42/x
  3. Step 3: Cross multiply
    212,719.62x = 319,079.43 × 62,961.42
  4. Step 4: Simplify right side
    212,719.62x = 20,089,694,005.59
  5. Step 5: Solve for x
    x = 20,089,694,005.59/212,719.62
  6. Step 6: Final answer
    x = 94,442.13

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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.