Home / 321,811.74-444,186.35-200,880.19

Finding the Fourth Proportional to 321,811.74, 444,186.35 and 200,880.19

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Solution

The fourth proportional to 321,811.74, 444,186.35 and 200,880.19 is: 277,268.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,811.74 : 444,186.35 = 200,880.19 : x
  2. Step 2: Convert to fraction form
    321,811.74/444,186.35 = 200,880.19/x
  3. Step 3: Cross multiply
    321,811.74x = 444,186.35 × 200,880.19
  4. Step 4: Simplify right side
    321,811.74x = 89,228,238,383.41
  5. Step 5: Solve for x
    x = 89,228,238,383.41/321,811.74
  6. Step 6: Final answer
    x = 277,268.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.