Home / 226,816.20-312,986.03-131,329.35

Finding the Fourth Proportional to 226,816.20, 312,986.03 and 131,329.35

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Solution

The fourth proportional to 226,816.20, 312,986.03 and 131,329.35 is: 181,222.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,816.20 : 312,986.03 = 131,329.35 : x
  2. Step 2: Convert to fraction form
    226,816.20/312,986.03 = 131,329.35/x
  3. Step 3: Cross multiply
    226,816.20x = 312,986.03 × 131,329.35
  4. Step 4: Simplify right side
    226,816.20x = 41,104,251,222.33
  5. Step 5: Solve for x
    x = 41,104,251,222.33/226,816.20
  6. Step 6: Final answer
    x = 181,222.73

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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.