Home / 280,204.20-419,844.60-161,668.80

Finding the Fourth Proportional to 280,204.20, 419,844.60 and 161,668.80

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Solution

The fourth proportional to 280,204.20, 419,844.60 and 161,668.80 is: 242,236.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,204.20 : 419,844.60 = 161,668.80 : x
  2. Step 2: Convert to fraction form
    280,204.20/419,844.60 = 161,668.80/x
  3. Step 3: Cross multiply
    280,204.20x = 419,844.60 × 161,668.80
  4. Step 4: Simplify right side
    280,204.20x = 67,875,772,668.48
  5. Step 5: Solve for x
    x = 67,875,772,668.48/280,204.20
  6. Step 6: Final answer
    x = 242,236.81

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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.