Home / 376,919.28-520,179.48-226,013.04

Finding the Fourth Proportional to 376,919.28, 520,179.48 and 226,013.04

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Solution

The fourth proportional to 376,919.28, 520,179.48 and 226,013.04 is: 311,916.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,919.28 : 520,179.48 = 226,013.04 : x
  2. Step 2: Convert to fraction form
    376,919.28/520,179.48 = 226,013.04/x
  3. Step 3: Cross multiply
    376,919.28x = 520,179.48 × 226,013.04
  4. Step 4: Simplify right side
    376,919.28x = 117,567,345,620.42
  5. Step 5: Solve for x
    x = 117,567,345,620.42/376,919.28
  6. Step 6: Final answer
    x = 311,916.51

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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.