Home / 311,322.20-466,983.30-271,956.20

Finding the Fourth Proportional to 311,322.20, 466,983.30 and 271,956.20

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Solution

The fourth proportional to 311,322.20, 466,983.30 and 271,956.20 is: 407,934.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,322.20 : 466,983.30 = 271,956.20 : x
  2. Step 2: Convert to fraction form
    311,322.20/466,983.30 = 271,956.20/x
  3. Step 3: Cross multiply
    311,322.20x = 466,983.30 × 271,956.20
  4. Step 4: Simplify right side
    311,322.20x = 126,999,003,731.46
  5. Step 5: Solve for x
    x = 126,999,003,731.46/311,322.20
  6. Step 6: Final answer
    x = 407,934.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.