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Finding the Fourth Proportional to 303,484.20, 455,226.30 and 161,766.60

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Solution

The fourth proportional to 303,484.20, 455,226.30 and 161,766.60 is: 242,649.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,484.20 : 455,226.30 = 161,766.60 : x
  2. Step 2: Convert to fraction form
    303,484.20/455,226.30 = 161,766.60/x
  3. Step 3: Cross multiply
    303,484.20x = 455,226.30 × 161,766.60
  4. Step 4: Simplify right side
    303,484.20x = 73,640,410,781.58
  5. Step 5: Solve for x
    x = 73,640,410,781.58/303,484.20
  6. Step 6: Final answer
    x = 242,649.90

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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.