Home / 376,011.30-518,892.03-206,246.10

Finding the Fourth Proportional to 376,011.30, 518,892.03 and 206,246.10

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Solution

The fourth proportional to 376,011.30, 518,892.03 and 206,246.10 is: 284,617.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,011.30 : 518,892.03 = 206,246.10 : x
  2. Step 2: Convert to fraction form
    376,011.30/518,892.03 = 206,246.10/x
  3. Step 3: Cross multiply
    376,011.30x = 518,892.03 × 206,246.10
  4. Step 4: Simplify right side
    376,011.30x = 107,019,457,508.58
  5. Step 5: Solve for x
    x = 107,019,457,508.58/376,011.30
  6. Step 6: Final answer
    x = 284,617.66

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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.