Home / 306,739.82-423,164.58-179,359.22

Finding the Fourth Proportional to 306,739.82, 423,164.58 and 179,359.22

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Solution

The fourth proportional to 306,739.82, 423,164.58 and 179,359.22 is: 247,435.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,739.82 : 423,164.58 = 179,359.22 : x
  2. Step 2: Convert to fraction form
    306,739.82/423,164.58 = 179,359.22/x
  3. Step 3: Cross multiply
    306,739.82x = 423,164.58 × 179,359.22
  4. Step 4: Simplify right side
    306,739.82x = 75,898,469,000.43
  5. Step 5: Solve for x
    x = 75,898,469,000.43/306,739.82
  6. Step 6: Final answer
    x = 247,435.98

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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.