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Finding the Fourth Proportional to 352,249.46, 486,104.40 and 191,104.46

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Solution

The fourth proportional to 352,249.46, 486,104.40 and 191,104.46 is: 263,724.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,249.46 : 486,104.40 = 191,104.46 : x
  2. Step 2: Convert to fraction form
    352,249.46/486,104.40 = 191,104.46/x
  3. Step 3: Cross multiply
    352,249.46x = 486,104.40 × 191,104.46
  4. Step 4: Simplify right side
    352,249.46x = 92,896,718,865.62
  5. Step 5: Solve for x
    x = 92,896,718,865.62/352,249.46
  6. Step 6: Final answer
    x = 263,724.23

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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.