Home / 212,594.14-318,891.62-199,603.36

Finding the Fourth Proportional to 212,594.14, 318,891.62 and 199,603.36

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Solution

The fourth proportional to 212,594.14, 318,891.62 and 199,603.36 is: 299,405.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,594.14 : 318,891.62 = 199,603.36 : x
  2. Step 2: Convert to fraction form
    212,594.14/318,891.62 = 199,603.36/x
  3. Step 3: Cross multiply
    212,594.14x = 318,891.62 × 199,603.36
  4. Step 4: Simplify right side
    212,594.14x = 63,651,839,375.57
  5. Step 5: Solve for x
    x = 63,651,839,375.57/212,594.14
  6. Step 6: Final answer
    x = 299,405.42

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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.