Home / 420,194.44-629,766.72-270,035.08

Finding the Fourth Proportional to 420,194.44, 629,766.72 and 270,035.08

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Solution

The fourth proportional to 420,194.44, 629,766.72 and 270,035.08 is: 404,715.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,194.44 : 629,766.72 = 270,035.08 : x
  2. Step 2: Convert to fraction form
    420,194.44/629,766.72 = 270,035.08/x
  3. Step 3: Cross multiply
    420,194.44x = 629,766.72 × 270,035.08
  4. Step 4: Simplify right side
    420,194.44x = 170,059,106,616.54
  5. Step 5: Solve for x
    x = 170,059,106,616.54/420,194.44
  6. Step 6: Final answer
    x = 404,715.27

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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.