Home / 376,947.45-520,191.50-204,865.43

Finding the Fourth Proportional to 376,947.45, 520,191.50 and 204,865.43

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Solution

The fourth proportional to 376,947.45, 520,191.50 and 204,865.43 is: 282,716.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,947.45 : 520,191.50 = 204,865.43 : x
  2. Step 2: Convert to fraction form
    376,947.45/520,191.50 = 204,865.43/x
  3. Step 3: Cross multiply
    376,947.45x = 520,191.50 × 204,865.43
  4. Step 4: Simplify right side
    376,947.45x = 106,569,251,704.56
  5. Step 5: Solve for x
    x = 106,569,251,704.56/376,947.45
  6. Step 6: Final answer
    x = 282,716.47

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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.