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Finding the Fourth Proportional to 268,035.40, 401,907.30 and 110,279.80

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Solution

The fourth proportional to 268,035.40, 401,907.30 and 110,279.80 is: 165,359.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,035.40 : 401,907.30 = 110,279.80 : x
  2. Step 2: Convert to fraction form
    268,035.40/401,907.30 = 110,279.80/x
  3. Step 3: Cross multiply
    268,035.40x = 401,907.30 × 110,279.80
  4. Step 4: Simplify right side
    268,035.40x = 44,322,256,662.54
  5. Step 5: Solve for x
    x = 44,322,256,662.54/268,035.40
  6. Step 6: Final answer
    x = 165,359.71

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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.