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Finding the Fourth Proportional to 351,652.59, 485,280.18 and 190,511.73

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Solution

The fourth proportional to 351,652.59, 485,280.18 and 190,511.73 is: 262,905.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,652.59 : 485,280.18 = 190,511.73 : x
  2. Step 2: Convert to fraction form
    351,652.59/485,280.18 = 190,511.73/x
  3. Step 3: Cross multiply
    351,652.59x = 485,280.18 × 190,511.73
  4. Step 4: Simplify right side
    351,652.59x = 92,451,566,626.51
  5. Step 5: Solve for x
    x = 92,451,566,626.51/351,652.59
  6. Step 6: Final answer
    x = 262,905.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.