Home / 394,734.80-592,102.20-268,763.60

Finding the Fourth Proportional to 394,734.80, 592,102.20 and 268,763.60

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Solution

The fourth proportional to 394,734.80, 592,102.20 and 268,763.60 is: 403,145.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,734.80 : 592,102.20 = 268,763.60 : x
  2. Step 2: Convert to fraction form
    394,734.80/592,102.20 = 268,763.60/x
  3. Step 3: Cross multiply
    394,734.80x = 592,102.20 × 268,763.60
  4. Step 4: Simplify right side
    394,734.80x = 159,135,518,839.92
  5. Step 5: Solve for x
    x = 159,135,518,839.92/394,734.80
  6. Step 6: Final answer
    x = 403,145.40

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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.