Home / 311,023.28-466,608.95-100,661.21

Finding the Fourth Proportional to 311,023.28, 466,608.95 and 100,661.21

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Solution

The fourth proportional to 311,023.28, 466,608.95 and 100,661.21 is: 151,015.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,023.28 : 466,608.95 = 100,661.21 : x
  2. Step 2: Convert to fraction form
    311,023.28/466,608.95 = 100,661.21/x
  3. Step 3: Cross multiply
    311,023.28x = 466,608.95 × 100,661.21
  4. Step 4: Simplify right side
    311,023.28x = 46,969,418,667.48
  5. Step 5: Solve for x
    x = 46,969,418,667.48/311,023.28
  6. Step 6: Final answer
    x = 151,015.77

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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.