Home / 428,217.46-590,961.20-237,231.61

Finding the Fourth Proportional to 428,217.46, 590,961.20 and 237,231.61

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Solution

The fourth proportional to 428,217.46, 590,961.20 and 237,231.61 is: 327,391.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,217.46 : 590,961.20 = 237,231.61 : x
  2. Step 2: Convert to fraction form
    428,217.46/590,961.20 = 237,231.61/x
  3. Step 3: Cross multiply
    428,217.46x = 590,961.20 × 237,231.61
  4. Step 4: Simplify right side
    428,217.46x = 140,194,674,259.97
  5. Step 5: Solve for x
    x = 140,194,674,259.97/428,217.46
  6. Step 6: Final answer
    x = 327,391.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.