Home / 320,257.82-479,998.26-235,229.54

Finding the Fourth Proportional to 320,257.82, 479,998.26 and 235,229.54

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Solution

The fourth proportional to 320,257.82, 479,998.26 and 235,229.54 is: 352,558.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,257.82 : 479,998.26 = 235,229.54 : x
  2. Step 2: Convert to fraction form
    320,257.82/479,998.26 = 235,229.54/x
  3. Step 3: Cross multiply
    320,257.82x = 479,998.26 × 235,229.54
  4. Step 4: Simplify right side
    320,257.82x = 112,909,769,900.60
  5. Step 5: Solve for x
    x = 112,909,769,900.60/320,257.82
  6. Step 6: Final answer
    x = 352,558.98

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1.5x scale

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.