Home / 214,932.80-322,399.20-185,408.30

Finding the Fourth Proportional to 214,932.80, 322,399.20 and 185,408.30

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Solution

The fourth proportional to 214,932.80, 322,399.20 and 185,408.30 is: 278,112.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,932.80 : 322,399.20 = 185,408.30 : x
  2. Step 2: Convert to fraction form
    214,932.80/322,399.20 = 185,408.30/x
  3. Step 3: Cross multiply
    214,932.80x = 322,399.20 × 185,408.30
  4. Step 4: Simplify right side
    214,932.80x = 59,775,487,593.36
  5. Step 5: Solve for x
    x = 59,775,487,593.36/214,932.80
  6. Step 6: Final answer
    x = 278,112.45

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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.