Home / 377,220.90-520,568.52-205,142.56

Finding the Fourth Proportional to 377,220.90, 520,568.52 and 205,142.56

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Solution

The fourth proportional to 377,220.90, 520,568.52 and 205,142.56 is: 283,098.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,220.90 : 520,568.52 = 205,142.56 : x
  2. Step 2: Convert to fraction form
    377,220.90/520,568.52 = 205,142.56/x
  3. Step 3: Cross multiply
    377,220.90x = 520,568.52 × 205,142.56
  4. Step 4: Simplify right side
    377,220.90x = 106,790,757,546.79
  5. Step 5: Solve for x
    x = 106,790,757,546.79/377,220.90
  6. Step 6: Final answer
    x = 283,098.73

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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.