Home / 319,944.96-479,975.76-160,104.48

Finding the Fourth Proportional to 319,944.96, 479,975.76 and 160,104.48

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Solution

The fourth proportional to 319,944.96, 479,975.76 and 160,104.48 is: 240,185.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,944.96 : 479,975.76 = 160,104.48 : x
  2. Step 2: Convert to fraction form
    319,944.96/479,975.76 = 160,104.48/x
  3. Step 3: Cross multiply
    319,944.96x = 479,975.76 × 160,104.48
  4. Step 4: Simplify right side
    319,944.96x = 76,846,269,467.40
  5. Step 5: Solve for x
    x = 76,846,269,467.40/319,944.96
  6. Step 6: Final answer
    x = 240,185.90

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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.