Home / 217,579.26-326,313.51-67,791.63

Finding the Fourth Proportional to 217,579.26, 326,313.51 and 67,791.63

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Solution

The fourth proportional to 217,579.26, 326,313.51 and 67,791.63 is: 101,670.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,579.26 : 326,313.51 = 67,791.63 : x
  2. Step 2: Convert to fraction form
    217,579.26/326,313.51 = 67,791.63/x
  3. Step 3: Cross multiply
    217,579.26x = 326,313.51 × 67,791.63
  4. Step 4: Simplify right side
    217,579.26x = 22,121,324,733.92
  5. Step 5: Solve for x
    x = 22,121,324,733.92/217,579.26
  6. Step 6: Final answer
    x = 101,670.19

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1.5x scale

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.