Home / 217,588.56-326,229.75-84,356.52

Finding the Fourth Proportional to 217,588.56, 326,229.75 and 84,356.52

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Solution

The fourth proportional to 217,588.56, 326,229.75 and 84,356.52 is: 126,475.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,588.56 : 326,229.75 = 84,356.52 : x
  2. Step 2: Convert to fraction form
    217,588.56/326,229.75 = 84,356.52/x
  3. Step 3: Cross multiply
    217,588.56x = 326,229.75 × 84,356.52
  4. Step 4: Simplify right side
    217,588.56x = 27,519,606,430.47
  5. Step 5: Solve for x
    x = 27,519,606,430.47/217,588.56
  6. Step 6: Final answer
    x = 126,475.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.