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Finding the Fourth Proportional to 654,157.87, 981,617.51 and 275,051.14

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Solution

The fourth proportional to 654,157.87, 981,617.51 and 275,051.14 is: 412,736.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,157.87 : 981,617.51 = 275,051.14 : x
  2. Step 2: Convert to fraction form
    654,157.87/981,617.51 = 275,051.14/x
  3. Step 3: Cross multiply
    654,157.87x = 981,617.51 × 275,051.14
  4. Step 4: Simplify right side
    654,157.87x = 269,995,015,169.46
  5. Step 5: Solve for x
    x = 269,995,015,169.46/654,157.87
  6. Step 6: Final answer
    x = 412,736.78

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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.