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Finding the Fourth Proportional to 245,696.28, 338,891.22 and 150,249.94

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Solution

The fourth proportional to 245,696.28, 338,891.22 and 150,249.94 is: 207,241.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,696.28 : 338,891.22 = 150,249.94 : x
  2. Step 2: Convert to fraction form
    245,696.28/338,891.22 = 150,249.94/x
  3. Step 3: Cross multiply
    245,696.28x = 338,891.22 × 150,249.94
  4. Step 4: Simplify right side
    245,696.28x = 50,918,385,471.53
  5. Step 5: Solve for x
    x = 50,918,385,471.53/245,696.28
  6. Step 6: Final answer
    x = 207,241.17

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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.