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Finding the Fourth Proportional to 377,382.98, 520,791.90 and 205,304.71

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Solution

The fourth proportional to 377,382.98, 520,791.90 and 205,304.71 is: 283,322.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,382.98 : 520,791.90 = 205,304.71 : x
  2. Step 2: Convert to fraction form
    377,382.98/520,791.90 = 205,304.71/x
  3. Step 3: Cross multiply
    377,382.98x = 520,791.90 × 205,304.71
  4. Step 4: Simplify right side
    377,382.98x = 106,921,029,999.85
  5. Step 5: Solve for x
    x = 106,921,029,999.85/377,382.98
  6. Step 6: Final answer
    x = 283,322.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.