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Finding the Fourth Proportional to 377,998.40, 567,046.20 and 188,555.60

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Solution

The fourth proportional to 377,998.40, 567,046.20 and 188,555.60 is: 282,857.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,998.40 : 567,046.20 = 188,555.60 : x
  2. Step 2: Convert to fraction form
    377,998.40/567,046.20 = 188,555.60/x
  3. Step 3: Cross multiply
    377,998.40x = 567,046.20 × 188,555.60
  4. Step 4: Simplify right side
    377,998.40x = 106,919,736,468.72
  5. Step 5: Solve for x
    x = 106,919,736,468.72/377,998.40
  6. Step 6: Final answer
    x = 282,857.64

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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.