Home / 226,757.30-312,918.47-124,782.73

Finding the Fourth Proportional to 226,757.30, 312,918.47 and 124,782.73

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Solution

The fourth proportional to 226,757.30, 312,918.47 and 124,782.73 is: 172,196.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,757.30 : 312,918.47 = 124,782.73 : x
  2. Step 2: Convert to fraction form
    226,757.30/312,918.47 = 124,782.73/x
  3. Step 3: Cross multiply
    226,757.30x = 312,918.47 × 124,782.73
  4. Step 4: Simplify right side
    226,757.30x = 39,046,819,664.80
  5. Step 5: Solve for x
    x = 39,046,819,664.80/226,757.30
  6. Step 6: Final answer
    x = 172,196.53

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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.