Home / 344,078.20-515,096.70-255,723.40

Finding the Fourth Proportional to 344,078.20, 515,096.70 and 255,723.40

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Solution

The fourth proportional to 344,078.20, 515,096.70 and 255,723.40 is: 382,826.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,078.20 : 515,096.70 = 255,723.40 : x
  2. Step 2: Convert to fraction form
    344,078.20/515,096.70 = 255,723.40/x
  3. Step 3: Cross multiply
    344,078.20x = 515,096.70 × 255,723.40
  4. Step 4: Simplify right side
    344,078.20x = 131,722,279,452.78
  5. Step 5: Solve for x
    x = 131,722,279,452.78/344,078.20
  6. Step 6: Final answer
    x = 382,826.58

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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.