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Finding the Fourth Proportional to 221,149.54, 331,238.08 and 182,763.77

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Solution

The fourth proportional to 221,149.54, 331,238.08 and 182,763.77 is: 273,743.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,149.54 : 331,238.08 = 182,763.77 : x
  2. Step 2: Convert to fraction form
    221,149.54/331,238.08 = 182,763.77/x
  3. Step 3: Cross multiply
    221,149.54x = 331,238.08 × 182,763.77
  4. Step 4: Simplify right side
    221,149.54x = 60,538,320,268.36
  5. Step 5: Solve for x
    x = 60,538,320,268.36/221,149.54
  6. Step 6: Final answer
    x = 273,743.82

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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.