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Finding the Fourth Proportional to 259,045.29, 388,305.50 and 125,813.25

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Solution

The fourth proportional to 259,045.29, 388,305.50 and 125,813.25 is: 188,592.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,045.29 : 388,305.50 = 125,813.25 : x
  2. Step 2: Convert to fraction form
    259,045.29/388,305.50 = 125,813.25/x
  3. Step 3: Cross multiply
    259,045.29x = 388,305.50 × 125,813.25
  4. Step 4: Simplify right side
    259,045.29x = 48,853,976,318.81
  5. Step 5: Solve for x
    x = 48,853,976,318.81/259,045.29
  6. Step 6: Final answer
    x = 188,592.41

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.