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Finding the Fourth Proportional to 326,056.20, 488,501.10 and 201,251.40

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Solution

The fourth proportional to 326,056.20, 488,501.10 and 201,251.40 is: 301,517.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,056.20 : 488,501.10 = 201,251.40 : x
  2. Step 2: Convert to fraction form
    326,056.20/488,501.10 = 201,251.40/x
  3. Step 3: Cross multiply
    326,056.20x = 488,501.10 × 201,251.40
  4. Step 4: Simplify right side
    326,056.20x = 98,311,530,276.54
  5. Step 5: Solve for x
    x = 98,311,530,276.54/326,056.20
  6. Step 6: Final answer
    x = 301,517.13

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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.