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Finding the Fourth Proportional to 377,960.76, 566,600.78 and 137,907.09

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Solution

The fourth proportional to 377,960.76, 566,600.78 and 137,907.09 is: 206,736.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,960.76 : 566,600.78 = 137,907.09 : x
  2. Step 2: Convert to fraction form
    377,960.76/566,600.78 = 137,907.09/x
  3. Step 3: Cross multiply
    377,960.76x = 566,600.78 × 137,907.09
  4. Step 4: Simplify right side
    377,960.76x = 78,138,267,690.58
  5. Step 5: Solve for x
    x = 78,138,267,690.58/377,960.76
  6. Step 6: Final answer
    x = 206,736.46

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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.