Home / 395,422.50-593,150.16-114,939.75

Finding the Fourth Proportional to 395,422.50, 593,150.16 and 114,939.75

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Solution

The fourth proportional to 395,422.50, 593,150.16 and 114,939.75 is: 172,414.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,422.50 : 593,150.16 = 114,939.75 : x
  2. Step 2: Convert to fraction form
    395,422.50/593,150.16 = 114,939.75/x
  3. Step 3: Cross multiply
    395,422.50x = 593,150.16 × 114,939.75
  4. Step 4: Simplify right side
    395,422.50x = 68,176,531,102.86
  5. Step 5: Solve for x
    x = 68,176,531,102.86/395,422.50
  6. Step 6: Final answer
    x = 172,414.39

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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.