Home / 255,380.43-383,409.24-218,179.56

Finding the Fourth Proportional to 255,380.43, 383,409.24 and 218,179.56

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Solution

The fourth proportional to 255,380.43, 383,409.24 and 218,179.56 is: 327,558.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,380.43 : 383,409.24 = 218,179.56 : x
  2. Step 2: Convert to fraction form
    255,380.43/383,409.24 = 218,179.56/x
  3. Step 3: Cross multiply
    255,380.43x = 383,409.24 × 218,179.56
  4. Step 4: Simplify right side
    255,380.43x = 83,652,059,283.13
  5. Step 5: Solve for x
    x = 83,652,059,283.13/255,380.43
  6. Step 6: Final answer
    x = 327,558.61

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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.