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Finding the Fourth Proportional to 220,954, 330,813.48 and 119,388.24

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Solution

The fourth proportional to 220,954, 330,813.48 and 119,388.24 is: 178,748.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,954 : 330,813.48 = 119,388.24 : x
  2. Step 2: Convert to fraction form
    220,954/330,813.48 = 119,388.24/x
  3. Step 3: Cross multiply
    220,954x = 330,813.48 × 119,388.24
  4. Step 4: Simplify right side
    220,954x = 39,495,239,145.48
  5. Step 5: Solve for x
    x = 39,495,239,145.48/220,954
  6. Step 6: Final answer
    x = 178,748.69

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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.