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Finding the Fourth Proportional to 352,589.79, 485,968.10 and 254,553.87

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Solution

The fourth proportional to 352,589.79, 485,968.10 and 254,553.87 is: 350,846.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,589.79 : 485,968.10 = 254,553.87 : x
  2. Step 2: Convert to fraction form
    352,589.79/485,968.10 = 254,553.87/x
  3. Step 3: Cross multiply
    352,589.79x = 485,968.10 × 254,553.87
  4. Step 4: Simplify right side
    352,589.79x = 123,705,059,278.78
  5. Step 5: Solve for x
    x = 123,705,059,278.78/352,589.79
  6. Step 6: Final answer
    x = 350,846.97

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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.