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Finding the Fourth Proportional to 351,468.39, 485,025.50 and 190,323.43

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Solution

The fourth proportional to 351,468.39, 485,025.50 and 190,323.43 is: 262,645.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,468.39 : 485,025.50 = 190,323.43 : x
  2. Step 2: Convert to fraction form
    351,468.39/485,025.50 = 190,323.43/x
  3. Step 3: Cross multiply
    351,468.39x = 485,025.50 × 190,323.43
  4. Step 4: Simplify right side
    351,468.39x = 92,311,714,372.34
  5. Step 5: Solve for x
    x = 92,311,714,372.34/351,468.39
  6. Step 6: Final answer
    x = 262,645.85

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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.