Home / 290,481.38-400,908.81-177,370.34

Finding the Fourth Proportional to 290,481.38, 400,908.81 and 177,370.34

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Solution

The fourth proportional to 290,481.38, 400,908.81 and 177,370.34 is: 244,798.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,481.38 : 400,908.81 = 177,370.34 : x
  2. Step 2: Convert to fraction form
    290,481.38/400,908.81 = 177,370.34/x
  3. Step 3: Cross multiply
    290,481.38x = 400,908.81 × 177,370.34
  4. Step 4: Simplify right side
    290,481.38x = 71,109,331,938.70
  5. Step 5: Solve for x
    x = 71,109,331,938.70/290,481.38
  6. Step 6: Final answer
    x = 244,798.24

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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.