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Finding the Fourth Proportional to 221,334.44, 331,314.41 and 119,880.51

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Solution

The fourth proportional to 221,334.44, 331,314.41 and 119,880.51 is: 179,448.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,334.44 : 331,314.41 = 119,880.51 : x
  2. Step 2: Convert to fraction form
    221,334.44/331,314.41 = 119,880.51/x
  3. Step 3: Cross multiply
    221,334.44x = 331,314.41 × 119,880.51
  4. Step 4: Simplify right side
    221,334.44x = 39,718,139,841.75
  5. Step 5: Solve for x
    x = 39,718,139,841.75/221,334.44
  6. Step 6: Final answer
    x = 179,448.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.