Home / 311,982.10-468,024.90-109,525.72

Finding the Fourth Proportional to 311,982.10, 468,024.90 and 109,525.72

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Solution

The fourth proportional to 311,982.10, 468,024.90 and 109,525.72 is: 164,306.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,982.10 : 468,024.90 = 109,525.72 : x
  2. Step 2: Convert to fraction form
    311,982.10/468,024.90 = 109,525.72/x
  3. Step 3: Cross multiply
    311,982.10x = 468,024.90 × 109,525.72
  4. Step 4: Simplify right side
    311,982.10x = 51,260,764,150.43
  5. Step 5: Solve for x
    x = 51,260,764,150.43/311,982.10
  6. Step 6: Final answer
    x = 164,306.75

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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.