Home / 306,352.31-422,703.60-179,003.30

Finding the Fourth Proportional to 306,352.31, 422,703.60 and 179,003.30

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Solution

The fourth proportional to 306,352.31, 422,703.60 and 179,003.30 is: 246,987.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,352.31 : 422,703.60 = 179,003.30 : x
  2. Step 2: Convert to fraction form
    306,352.31/422,703.60 = 179,003.30/x
  3. Step 3: Cross multiply
    306,352.31x = 422,703.60 × 179,003.30
  4. Step 4: Simplify right side
    306,352.31x = 75,665,339,321.88
  5. Step 5: Solve for x
    x = 75,665,339,321.88/306,352.31
  6. Step 6: Final answer
    x = 246,987.98

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1.5x scale

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.