Home / 311,470.20-467,205.30-272,104.20

Finding the Fourth Proportional to 311,470.20, 467,205.30 and 272,104.20

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Solution

The fourth proportional to 311,470.20, 467,205.30 and 272,104.20 is: 408,156.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,470.20 : 467,205.30 = 272,104.20 : x
  2. Step 2: Convert to fraction form
    311,470.20/467,205.30 = 272,104.20/x
  3. Step 3: Cross multiply
    311,470.20x = 467,205.30 × 272,104.20
  4. Step 4: Simplify right side
    311,470.20x = 127,128,524,392.26
  5. Step 5: Solve for x
    x = 127,128,524,392.26/311,470.20
  6. Step 6: Final answer
    x = 408,156.30

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1.5x scale

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.