Home / 306,745.22-423,278.25-179,395.94

Finding the Fourth Proportional to 306,745.22, 423,278.25 and 179,395.94

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Solution

The fourth proportional to 306,745.22, 423,278.25 and 179,395.94 is: 247,548.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,745.22 : 423,278.25 = 179,395.94 : x
  2. Step 2: Convert to fraction form
    306,745.22/423,278.25 = 179,395.94/x
  3. Step 3: Cross multiply
    306,745.22x = 423,278.25 × 179,395.94
  4. Step 4: Simplify right side
    306,745.22x = 75,934,399,540.31
  5. Step 5: Solve for x
    x = 75,934,399,540.31/306,745.22
  6. Step 6: Final answer
    x = 247,548.76

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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.