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Finding the Fourth Proportional to 377,134.20, 520,443.50 and 207,367.92

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Solution

The fourth proportional to 377,134.20, 520,443.50 and 207,367.92 is: 286,166.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,134.20 : 520,443.50 = 207,367.92 : x
  2. Step 2: Convert to fraction form
    377,134.20/520,443.50 = 207,367.92/x
  3. Step 3: Cross multiply
    377,134.20x = 520,443.50 × 207,367.92
  4. Step 4: Simplify right side
    377,134.20x = 107,923,285,035.68
  5. Step 5: Solve for x
    x = 107,923,285,035.68/377,134.20
  6. Step 6: Final answer
    x = 286,166.79

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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.