Home / 258,734.20-388,101.30-195,748.60

Finding the Fourth Proportional to 258,734.20, 388,101.30 and 195,748.60

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Solution

The fourth proportional to 258,734.20, 388,101.30 and 195,748.60 is: 293,622.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,734.20 : 388,101.30 = 195,748.60 : x
  2. Step 2: Convert to fraction form
    258,734.20/388,101.30 = 195,748.60/x
  3. Step 3: Cross multiply
    258,734.20x = 388,101.30 × 195,748.60
  4. Step 4: Simplify right side
    258,734.20x = 75,970,286,133.18
  5. Step 5: Solve for x
    x = 75,970,286,133.18/258,734.20
  6. Step 6: Final answer
    x = 293,622.90

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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.