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Finding the Fourth Proportional to 377,709.84, 566,114.12 and 263,237.78

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Solution

The fourth proportional to 377,709.84, 566,114.12 and 263,237.78 is: 394,542.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,709.84 : 566,114.12 = 263,237.78 : x
  2. Step 2: Convert to fraction form
    377,709.84/566,114.12 = 263,237.78/x
  3. Step 3: Cross multiply
    377,709.84x = 566,114.12 × 263,237.78
  4. Step 4: Simplify right side
    377,709.84x = 149,022,620,028.69
  5. Step 5: Solve for x
    x = 149,022,620,028.69/377,709.84
  6. Step 6: Final answer
    x = 394,542.59

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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.