Home / 360,121.26-496,965.30-198,976.34

Finding the Fourth Proportional to 360,121.26, 496,965.30 and 198,976.34

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Solution

The fourth proportional to 360,121.26, 496,965.30 and 198,976.34 is: 274,586.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,121.26 : 496,965.30 = 198,976.34 : x
  2. Step 2: Convert to fraction form
    360,121.26/496,965.30 = 198,976.34/x
  3. Step 3: Cross multiply
    360,121.26x = 496,965.30 × 198,976.34
  4. Step 4: Simplify right side
    360,121.26x = 98,884,336,501.00
  5. Step 5: Solve for x
    x = 98,884,336,501.00/360,121.26
  6. Step 6: Final answer
    x = 274,586.22

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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.