Home / 329,373.20-494,081.40-92,723.60

Finding the Fourth Proportional to 329,373.20, 494,081.40 and 92,723.60

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Solution

The fourth proportional to 329,373.20, 494,081.40 and 92,723.60 is: 139,091.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,373.20 : 494,081.40 = 92,723.60 : x
  2. Step 2: Convert to fraction form
    329,373.20/494,081.40 = 92,723.60/x
  3. Step 3: Cross multiply
    329,373.20x = 494,081.40 × 92,723.60
  4. Step 4: Simplify right side
    329,373.20x = 45,813,006,101.04
  5. Step 5: Solve for x
    x = 45,813,006,101.04/329,373.20
  6. Step 6: Final answer
    x = 139,091.48

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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.