Home / 325,273.20-486,959.40-231,961.20

Finding the Fourth Proportional to 325,273.20, 486,959.40 and 231,961.20

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Solution

The fourth proportional to 325,273.20, 486,959.40 and 231,961.20 is: 347,264.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,273.20 : 486,959.40 = 231,961.20 : x
  2. Step 2: Convert to fraction form
    325,273.20/486,959.40 = 231,961.20/x
  3. Step 3: Cross multiply
    325,273.20x = 486,959.40 × 231,961.20
  4. Step 4: Simplify right side
    325,273.20x = 112,955,686,775.28
  5. Step 5: Solve for x
    x = 112,955,686,775.28/325,273.20
  6. Step 6: Final answer
    x = 347,264.04

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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.