Home / 222,917.49-307,731.96-141,286.50

Finding the Fourth Proportional to 222,917.49, 307,731.96 and 141,286.50

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Solution

The fourth proportional to 222,917.49, 307,731.96 and 141,286.50 is: 195,042.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,917.49 : 307,731.96 = 141,286.50 : x
  2. Step 2: Convert to fraction form
    222,917.49/307,731.96 = 141,286.50/x
  3. Step 3: Cross multiply
    222,917.49x = 307,731.96 × 141,286.50
  4. Step 4: Simplify right side
    222,917.49x = 43,478,371,566.54
  5. Step 5: Solve for x
    x = 43,478,371,566.54/222,917.49
  6. Step 6: Final answer
    x = 195,042.44

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Why These Related Problems?

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