Home / 212,359.04-318,164.89-199,716.56

Finding the Fourth Proportional to 212,359.04, 318,164.89 and 199,716.56

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Solution

The fourth proportional to 212,359.04, 318,164.89 and 199,716.56 is: 299,223.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,359.04 : 318,164.89 = 199,716.56 : x
  2. Step 2: Convert to fraction form
    212,359.04/318,164.89 = 199,716.56/x
  3. Step 3: Cross multiply
    212,359.04x = 318,164.89 × 199,716.56
  4. Step 4: Simplify right side
    212,359.04x = 63,542,797,990.93
  5. Step 5: Solve for x
    x = 63,542,797,990.93/212,359.04
  6. Step 6: Final answer
    x = 299,223.42

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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.