Home / 319,945.46-479,976.51-160,104.98

Finding the Fourth Proportional to 319,945.46, 479,976.51 and 160,104.98

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Solution

The fourth proportional to 319,945.46, 479,976.51 and 160,104.98 is: 240,186.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,945.46 : 479,976.51 = 160,104.98 : x
  2. Step 2: Convert to fraction form
    319,945.46/479,976.51 = 160,104.98/x
  3. Step 3: Cross multiply
    319,945.46x = 479,976.51 × 160,104.98
  4. Step 4: Simplify right side
    319,945.46x = 76,846,629,534.02
  5. Step 5: Solve for x
    x = 76,846,629,534.02/319,945.46
  6. Step 6: Final answer
    x = 240,186.65

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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.