Home / 311,132.10-466,698.15-100,791.30

Finding the Fourth Proportional to 311,132.10, 466,698.15 and 100,791.30

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Solution

The fourth proportional to 311,132.10, 466,698.15 and 100,791.30 is: 151,186.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,132.10 : 466,698.15 = 100,791.30 : x
  2. Step 2: Convert to fraction form
    311,132.10/466,698.15 = 100,791.30/x
  3. Step 3: Cross multiply
    311,132.10x = 466,698.15 × 100,791.30
  4. Step 4: Simplify right side
    311,132.10x = 47,039,113,246.10
  5. Step 5: Solve for x
    x = 47,039,113,246.10/311,132.10
  6. Step 6: Final answer
    x = 151,186.95

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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.