Home / 217,540.08-300,216.24-135,917.46

Finding the Fourth Proportional to 217,540.08, 300,216.24 and 135,917.46

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Solution

The fourth proportional to 217,540.08, 300,216.24 and 135,917.46 is: 187,572.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,540.08 : 300,216.24 = 135,917.46 : x
  2. Step 2: Convert to fraction form
    217,540.08/300,216.24 = 135,917.46/x
  3. Step 3: Cross multiply
    217,540.08x = 300,216.24 × 135,917.46
  4. Step 4: Simplify right side
    217,540.08x = 40,804,628,791.55
  5. Step 5: Solve for x
    x = 40,804,628,791.55/217,540.08
  6. Step 6: Final answer
    x = 187,572.92

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1.5x scale

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.