Home / 376,913.28-520,171.20-226,007.04

Finding the Fourth Proportional to 376,913.28, 520,171.20 and 226,007.04

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Solution

The fourth proportional to 376,913.28, 520,171.20 and 226,007.04 is: 311,908.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,913.28 : 520,171.20 = 226,007.04 : x
  2. Step 2: Convert to fraction form
    376,913.28/520,171.20 = 226,007.04/x
  3. Step 3: Cross multiply
    376,913.28x = 520,171.20 × 226,007.04
  4. Step 4: Simplify right side
    376,913.28x = 117,562,353,205.25
  5. Step 5: Solve for x
    x = 117,562,353,205.25/376,913.28
  6. Step 6: Final answer
    x = 311,908.23

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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.