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Finding the Fourth Proportional to 222,874.40, 307,491.87 and 127,313.44

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Solution

The fourth proportional to 222,874.40, 307,491.87 and 127,313.44 is: 175,649.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,874.40 : 307,491.87 = 127,313.44 : x
  2. Step 2: Convert to fraction form
    222,874.40/307,491.87 = 127,313.44/x
  3. Step 3: Cross multiply
    222,874.40x = 307,491.87 × 127,313.44
  4. Step 4: Simplify right side
    222,874.40x = 39,147,847,741.73
  5. Step 5: Solve for x
    x = 39,147,847,741.73/222,874.40
  6. Step 6: Final answer
    x = 175,649.82

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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.