Home / 217,743.75-300,491.13-119,628.26

Finding the Fourth Proportional to 217,743.75, 300,491.13 and 119,628.26

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Solution

The fourth proportional to 217,743.75, 300,491.13 and 119,628.26 is: 165,089.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,743.75 : 300,491.13 = 119,628.26 : x
  2. Step 2: Convert to fraction form
    217,743.75/300,491.13 = 119,628.26/x
  3. Step 3: Cross multiply
    217,743.75x = 300,491.13 × 119,628.26
  4. Step 4: Simplify right side
    217,743.75x = 35,947,231,027.33
  5. Step 5: Solve for x
    x = 35,947,231,027.33/217,743.75
  6. Step 6: Final answer
    x = 165,089.61

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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.