Home / 226,623.60-339,643.80-137,782.80

Finding the Fourth Proportional to 226,623.60, 339,643.80 and 137,782.80

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Solution

The fourth proportional to 226,623.60, 339,643.80 and 137,782.80 is: 206,496.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,623.60 : 339,643.80 = 137,782.80 : x
  2. Step 2: Convert to fraction form
    226,623.60/339,643.80 = 137,782.80/x
  3. Step 3: Cross multiply
    226,623.60x = 339,643.80 × 137,782.80
  4. Step 4: Simplify right side
    226,623.60x = 46,797,073,766.64
  5. Step 5: Solve for x
    x = 46,797,073,766.64/226,623.60
  6. Step 6: Final answer
    x = 206,496.91

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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.