Home / 261,932.40-361,469.20-148,755.96

Finding the Fourth Proportional to 261,932.40, 361,469.20 and 148,755.96

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Solution

The fourth proportional to 261,932.40, 361,469.20 and 148,755.96 is: 205,284.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,932.40 : 361,469.20 = 148,755.96 : x
  2. Step 2: Convert to fraction form
    261,932.40/361,469.20 = 148,755.96/x
  3. Step 3: Cross multiply
    261,932.40x = 361,469.20 × 148,755.96
  4. Step 4: Simplify right side
    261,932.40x = 53,770,697,856.43
  5. Step 5: Solve for x
    x = 53,770,697,856.43/261,932.40
  6. Step 6: Final answer
    x = 205,284.64

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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.