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Finding the Fourth Proportional to 298,543.98, 412,019.79 and 222,961.26

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Solution

The fourth proportional to 298,543.98, 412,019.79 and 222,961.26 is: 307,708.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,543.98 : 412,019.79 = 222,961.26 : x
  2. Step 2: Convert to fraction form
    298,543.98/412,019.79 = 222,961.26/x
  3. Step 3: Cross multiply
    298,543.98x = 412,019.79 × 222,961.26
  4. Step 4: Simplify right side
    298,543.98x = 91,864,451,523.34
  5. Step 5: Solve for x
    x = 91,864,451,523.34/298,543.98
  6. Step 6: Final answer
    x = 307,708.27

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.