Home / 212,714.43-318,958.78-62,934.09

Finding the Fourth Proportional to 212,714.43, 318,958.78 and 62,934.09

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Solution

The fourth proportional to 212,714.43, 318,958.78 and 62,934.09 is: 94,367.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,714.43 : 318,958.78 = 62,934.09 : x
  2. Step 2: Convert to fraction form
    212,714.43/318,958.78 = 62,934.09/x
  3. Step 3: Cross multiply
    212,714.43x = 318,958.78 × 62,934.09
  4. Step 4: Simplify right side
    212,714.43x = 20,073,380,566.81
  5. Step 5: Solve for x
    x = 20,073,380,566.81/212,714.43
  6. Step 6: Final answer
    x = 94,367.74

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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.