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Finding the Fourth Proportional to 325,817.80, 488,496.30 and 148,409.80

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Solution

The fourth proportional to 325,817.80, 488,496.30 and 148,409.80 is: 222,509.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,817.80 : 488,496.30 = 148,409.80 : x
  2. Step 2: Convert to fraction form
    325,817.80/488,496.30 = 148,409.80/x
  3. Step 3: Cross multiply
    325,817.80x = 488,496.30 × 148,409.80
  4. Step 4: Simplify right side
    325,817.80x = 72,497,638,183.74
  5. Step 5: Solve for x
    x = 72,497,638,183.74/325,817.80
  6. Step 6: Final answer
    x = 222,509.75

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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.