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Finding the Fourth Proportional to 220,454.34, 330,816.84 and 175,208.04

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Solution

The fourth proportional to 220,454.34, 330,816.84 and 175,208.04 is: 262,919.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,454.34 : 330,816.84 = 175,208.04 : x
  2. Step 2: Convert to fraction form
    220,454.34/330,816.84 = 175,208.04/x
  3. Step 3: Cross multiply
    220,454.34x = 330,816.84 × 175,208.04
  4. Step 4: Simplify right side
    220,454.34x = 57,961,770,135.39
  5. Step 5: Solve for x
    x = 57,961,770,135.39/220,454.34
  6. Step 6: Final answer
    x = 262,919.61

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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.