Home / 226,556.40-339,840.36-126,660.72

Finding the Fourth Proportional to 226,556.40, 339,840.36 and 126,660.72

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Solution

The fourth proportional to 226,556.40, 339,840.36 and 126,660.72 is: 189,994.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,556.40 : 339,840.36 = 126,660.72 : x
  2. Step 2: Convert to fraction form
    226,556.40/339,840.36 = 126,660.72/x
  3. Step 3: Cross multiply
    226,556.40x = 339,840.36 × 126,660.72
  4. Step 4: Simplify right side
    226,556.40x = 43,044,424,682.66
  5. Step 5: Solve for x
    x = 43,044,424,682.66/226,556.40
  6. Step 6: Final answer
    x = 189,994.30

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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.