Home / 377,919.36-521,517.92-205,833.44

Finding the Fourth Proportional to 377,919.36, 521,517.92 and 205,833.44

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Solution

The fourth proportional to 377,919.36, 521,517.92 and 205,833.44 is: 284,044.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,919.36 : 521,517.92 = 205,833.44 : x
  2. Step 2: Convert to fraction form
    377,919.36/521,517.92 = 205,833.44/x
  3. Step 3: Cross multiply
    377,919.36x = 521,517.92 × 205,833.44
  4. Step 4: Simplify right side
    377,919.36x = 107,345,827,495.25
  5. Step 5: Solve for x
    x = 107,345,827,495.25/377,919.36
  6. Step 6: Final answer
    x = 284,044.27

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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.