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Finding the Fourth Proportional to 605,796.60, 908,704.40 and 179,375.70

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Solution

The fourth proportional to 605,796.60, 908,704.40 and 179,375.70 is: 269,066.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,796.60 : 908,704.40 = 179,375.70 : x
  2. Step 2: Convert to fraction form
    605,796.60/908,704.40 = 179,375.70/x
  3. Step 3: Cross multiply
    605,796.60x = 908,704.40 × 179,375.70
  4. Step 4: Simplify right side
    605,796.60x = 162,999,487,843.08
  5. Step 5: Solve for x
    x = 162,999,487,843.08/605,796.60
  6. Step 6: Final answer
    x = 269,066.36

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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.