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Finding the Fourth Proportional to 207,301.75, 310,940.26 and 121,960.56

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Solution

The fourth proportional to 207,301.75, 310,940.26 and 121,960.56 is: 182,933.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,301.75 : 310,940.26 = 121,960.56 : x
  2. Step 2: Convert to fraction form
    207,301.75/310,940.26 = 121,960.56/x
  3. Step 3: Cross multiply
    207,301.75x = 310,940.26 × 121,960.56
  4. Step 4: Simplify right side
    207,301.75x = 37,922,448,236.15
  5. Step 5: Solve for x
    x = 37,922,448,236.15/207,301.75
  6. Step 6: Final answer
    x = 182,933.57

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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.