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Finding the Fourth Proportional to 325,903.60, 488,855.40 and 201,487.60

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Solution

The fourth proportional to 325,903.60, 488,855.40 and 201,487.60 is: 302,231.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,903.60 : 488,855.40 = 201,487.60 : x
  2. Step 2: Convert to fraction form
    325,903.60/488,855.40 = 201,487.60/x
  3. Step 3: Cross multiply
    325,903.60x = 488,855.40 × 201,487.60
  4. Step 4: Simplify right side
    325,903.60x = 98,498,301,293.04
  5. Step 5: Solve for x
    x = 98,498,301,293.04/325,903.60
  6. Step 6: Final answer
    x = 302,231.40

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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.