Home / 376,048.31-518,946.77-206,282.44

Finding the Fourth Proportional to 376,048.31, 518,946.77 and 206,282.44

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Solution

The fourth proportional to 376,048.31, 518,946.77 and 206,282.44 is: 284,669.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,048.31 : 518,946.77 = 206,282.44 : x
  2. Step 2: Convert to fraction form
    376,048.31/518,946.77 = 206,282.44/x
  3. Step 3: Cross multiply
    376,048.31x = 518,946.77 × 206,282.44
  4. Step 4: Simplify right side
    376,048.31x = 107,049,605,164.06
  5. Step 5: Solve for x
    x = 107,049,605,164.06/376,048.31
  6. Step 6: Final answer
    x = 284,669.82

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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.