Home / 663,467.64-994,949.25-214,121.15

Finding the Fourth Proportional to 663,467.64, 994,949.25 and 214,121.15

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Solution

The fourth proportional to 663,467.64, 994,949.25 and 214,121.15 is: 321,100.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,467.64 : 994,949.25 = 214,121.15 : x
  2. Step 2: Convert to fraction form
    663,467.64/994,949.25 = 214,121.15/x
  3. Step 3: Cross multiply
    663,467.64x = 994,949.25 × 214,121.15
  4. Step 4: Simplify right side
    663,467.64x = 213,039,677,601.64
  5. Step 5: Solve for x
    x = 213,039,677,601.64/663,467.64
  6. Step 6: Final answer
    x = 321,100.33

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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.