Home / 451,198.64-675,878.04-213,821.36

Finding the Fourth Proportional to 451,198.64, 675,878.04 and 213,821.36

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Solution

The fourth proportional to 451,198.64, 675,878.04 and 213,821.36 is: 320,296.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,198.64 : 675,878.04 = 213,821.36 : x
  2. Step 2: Convert to fraction form
    451,198.64/675,878.04 = 213,821.36/x
  3. Step 3: Cross multiply
    451,198.64x = 675,878.04 × 213,821.36
  4. Step 4: Simplify right side
    451,198.64x = 144,517,161,706.93
  5. Step 5: Solve for x
    x = 144,517,161,706.93/451,198.64
  6. Step 6: Final answer
    x = 320,296.09

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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.