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Finding the Fourth Proportional to 376,535.25, 519,622.29 and 206,773.02

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Solution

The fourth proportional to 376,535.25, 519,622.29 and 206,773.02 is: 285,348.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,535.25 : 519,622.29 = 206,773.02 : x
  2. Step 2: Convert to fraction form
    376,535.25/519,622.29 = 206,773.02/x
  3. Step 3: Cross multiply
    376,535.25x = 519,622.29 × 206,773.02
  4. Step 4: Simplify right side
    376,535.25x = 107,443,870,162.62
  5. Step 5: Solve for x
    x = 107,443,870,162.62/376,535.25
  6. Step 6: Final answer
    x = 285,348.77

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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.