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Finding the Fourth Proportional to 362,651.66, 500,450.18 and 201,507.11

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Solution

The fourth proportional to 362,651.66, 500,450.18 and 201,507.11 is: 278,074.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,651.66 : 500,450.18 = 201,507.11 : x
  2. Step 2: Convert to fraction form
    362,651.66/500,450.18 = 201,507.11/x
  3. Step 3: Cross multiply
    362,651.66x = 500,450.18 × 201,507.11
  4. Step 4: Simplify right side
    362,651.66x = 100,844,269,470.78
  5. Step 5: Solve for x
    x = 100,844,269,470.78/362,651.66
  6. Step 6: Final answer
    x = 278,074.75

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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.