Home / 376,057.32-518,959.20-206,291.45

Finding the Fourth Proportional to 376,057.32, 518,959.20 and 206,291.45

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Solution

The fourth proportional to 376,057.32, 518,959.20 and 206,291.45 is: 284,682.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,057.32 : 518,959.20 = 206,291.45 : x
  2. Step 2: Convert to fraction form
    376,057.32/518,959.20 = 206,291.45/x
  3. Step 3: Cross multiply
    376,057.32x = 518,959.20 × 206,291.45
  4. Step 4: Simplify right side
    376,057.32x = 107,056,843,264.04
  5. Step 5: Solve for x
    x = 107,056,843,264.04/376,057.32
  6. Step 6: Final answer
    x = 284,682.25

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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.