Home / 321,250.36-481,839.06-84,611.56

Finding the Fourth Proportional to 321,250.36, 481,839.06 and 84,611.56

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Solution

The fourth proportional to 321,250.36, 481,839.06 and 84,611.56 is: 126,907.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,250.36 : 481,839.06 = 84,611.56 : x
  2. Step 2: Convert to fraction form
    321,250.36/481,839.06 = 84,611.56/x
  3. Step 3: Cross multiply
    321,250.36x = 481,839.06 × 84,611.56
  4. Step 4: Simplify right side
    321,250.36x = 40,769,154,535.53
  5. Step 5: Solve for x
    x = 40,769,154,535.53/321,250.36
  6. Step 6: Final answer
    x = 126,907.73

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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.