Home / 320,255.82-479,995.26-235,227.54

Finding the Fourth Proportional to 320,255.82, 479,995.26 and 235,227.54

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Solution

The fourth proportional to 320,255.82, 479,995.26 and 235,227.54 is: 352,555.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,255.82 : 479,995.26 = 235,227.54 : x
  2. Step 2: Convert to fraction form
    320,255.82/479,995.26 = 235,227.54/x
  3. Step 3: Cross multiply
    320,255.82x = 479,995.26 × 235,227.54
  4. Step 4: Simplify right side
    320,255.82x = 112,908,104,221.46
  5. Step 5: Solve for x
    x = 112,908,104,221.46/320,255.82
  6. Step 6: Final answer
    x = 352,555.98

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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.