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Finding the Fourth Proportional to 395,604.96, 593,399.07 and 96,086.94

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Solution

The fourth proportional to 395,604.96, 593,399.07 and 96,086.94 is: 144,128.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,604.96 : 593,399.07 = 96,086.94 : x
  2. Step 2: Convert to fraction form
    395,604.96/593,399.07 = 96,086.94/x
  3. Step 3: Cross multiply
    395,604.96x = 593,399.07 × 96,086.94
  4. Step 4: Simplify right side
    395,604.96x = 57,017,900,835.15
  5. Step 5: Solve for x
    x = 57,017,900,835.15/395,604.96
  6. Step 6: Final answer
    x = 144,128.38

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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.