Home / 326,137.82-450,091.48-188,322.56

Finding the Fourth Proportional to 326,137.82, 450,091.48 and 188,322.56

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Solution

The fourth proportional to 326,137.82, 450,091.48 and 188,322.56 is: 259,897.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,137.82 : 450,091.48 = 188,322.56 : x
  2. Step 2: Convert to fraction form
    326,137.82/450,091.48 = 188,322.56/x
  3. Step 3: Cross multiply
    326,137.82x = 450,091.48 × 188,322.56
  4. Step 4: Simplify right side
    326,137.82x = 84,762,379,747.79
  5. Step 5: Solve for x
    x = 84,762,379,747.79/326,137.82
  6. Step 6: Final answer
    x = 259,897.43

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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.