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Finding the Fourth Proportional to 552,896.74, 829,382.79 and 188,009.77

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Solution

The fourth proportional to 552,896.74, 829,382.79 and 188,009.77 is: 282,027.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,896.74 : 829,382.79 = 188,009.77 : x
  2. Step 2: Convert to fraction form
    552,896.74/829,382.79 = 188,009.77/x
  3. Step 3: Cross multiply
    552,896.74x = 829,382.79 × 188,009.77
  4. Step 4: Simplify right side
    552,896.74x = 155,932,067,589.86
  5. Step 5: Solve for x
    x = 155,932,067,589.86/552,896.74
  6. Step 6: Final answer
    x = 282,027.47

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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.