Home / 299,955.25-449,933.33-120,121.66

Finding the Fourth Proportional to 299,955.25, 449,933.33 and 120,121.66

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Solution

The fourth proportional to 299,955.25, 449,933.33 and 120,121.66 is: 180,182.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,955.25 : 449,933.33 = 120,121.66 : x
  2. Step 2: Convert to fraction form
    299,955.25/449,933.33 = 120,121.66/x
  3. Step 3: Cross multiply
    299,955.25x = 449,933.33 × 120,121.66
  4. Step 4: Simplify right side
    299,955.25x = 54,046,738,086.21
  5. Step 5: Solve for x
    x = 54,046,738,086.21/299,955.25
  6. Step 6: Final answer
    x = 180,182.67

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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.