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Finding the Fourth Proportional to 352,003.52, 485,764.38 and 190,858.30

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Solution

The fourth proportional to 352,003.52, 485,764.38 and 190,858.30 is: 263,384.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,003.52 : 485,764.38 = 190,858.30 : x
  2. Step 2: Convert to fraction form
    352,003.52/485,764.38 = 190,858.30/x
  3. Step 3: Cross multiply
    352,003.52x = 485,764.38 × 190,858.30
  4. Step 4: Simplify right side
    352,003.52x = 92,712,162,552.94
  5. Step 5: Solve for x
    x = 92,712,162,552.94/352,003.52
  6. Step 6: Final answer
    x = 263,384.19

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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.