Home / 392,766.57-589,150.32-126,566.73

Finding the Fourth Proportional to 392,766.57, 589,150.32 and 126,566.73

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Solution

The fourth proportional to 392,766.57, 589,150.32 and 126,566.73 is: 189,850.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,766.57 : 589,150.32 = 126,566.73 : x
  2. Step 2: Convert to fraction form
    392,766.57/589,150.32 = 126,566.73/x
  3. Step 3: Cross multiply
    392,766.57x = 589,150.32 × 126,566.73
  4. Step 4: Simplify right side
    392,766.57x = 74,566,829,480.85
  5. Step 5: Solve for x
    x = 74,566,829,480.85/392,766.57
  6. Step 6: Final answer
    x = 189,850.24

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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.