Home / 299,984.46-449,976.72-120,151.55

Finding the Fourth Proportional to 299,984.46, 449,976.72 and 120,151.55

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Solution

The fourth proportional to 299,984.46, 449,976.72 and 120,151.55 is: 180,227.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,984.46 : 449,976.72 = 120,151.55 : x
  2. Step 2: Convert to fraction form
    299,984.46/449,976.72 = 120,151.55/x
  3. Step 3: Cross multiply
    299,984.46x = 449,976.72 × 120,151.55
  4. Step 4: Simplify right side
    299,984.46x = 54,065,401,271.57
  5. Step 5: Solve for x
    x = 54,065,401,271.57/299,984.46
  6. Step 6: Final answer
    x = 180,227.34

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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.