Home / 376,305.12-519,307.20-206,555.04

Finding the Fourth Proportional to 376,305.12, 519,307.20 and 206,555.04

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Solution

The fourth proportional to 376,305.12, 519,307.20 and 206,555.04 is: 285,049.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,305.12 : 519,307.20 = 206,555.04 : x
  2. Step 2: Convert to fraction form
    376,305.12/519,307.20 = 206,555.04/x
  3. Step 3: Cross multiply
    376,305.12x = 519,307.20 × 206,555.04
  4. Step 4: Simplify right side
    376,305.12x = 107,265,519,468.29
  5. Step 5: Solve for x
    x = 107,265,519,468.29/376,305.12
  6. Step 6: Final answer
    x = 285,049.32

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1.5x scale

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.