Home / 321,811.97-444,186.69-200,880.46

Finding the Fourth Proportional to 321,811.97, 444,186.69 and 200,880.46

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Solution

The fourth proportional to 321,811.97, 444,186.69 and 200,880.46 is: 277,268.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,811.97 : 444,186.69 = 200,880.46 : x
  2. Step 2: Convert to fraction form
    321,811.97/444,186.69 = 200,880.46/x
  3. Step 3: Cross multiply
    321,811.97x = 444,186.69 × 200,880.46
  4. Step 4: Simplify right side
    321,811.97x = 89,228,424,392.14
  5. Step 5: Solve for x
    x = 89,228,424,392.14/321,811.97
  6. Step 6: Final answer
    x = 277,268.82

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1.5x scale

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.