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Finding the Fourth Proportional to 221,328.60, 331,949.70 and 73,584.60

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Solution

The fourth proportional to 221,328.60, 331,949.70 and 73,584.60 is: 110,362.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,328.60 : 331,949.70 = 73,584.60 : x
  2. Step 2: Convert to fraction form
    221,328.60/331,949.70 = 73,584.60/x
  3. Step 3: Cross multiply
    221,328.60x = 331,949.70 × 73,584.60
  4. Step 4: Simplify right side
    221,328.60x = 24,426,385,894.62
  5. Step 5: Solve for x
    x = 24,426,385,894.62/221,328.60
  6. Step 6: Final answer
    x = 110,362.54

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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.