Home / 392,861.04-589,292.64-126,641.04

Finding the Fourth Proportional to 392,861.04, 589,292.64 and 126,641.04

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Solution

The fourth proportional to 392,861.04, 589,292.64 and 126,641.04 is: 189,961.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,861.04 : 589,292.64 = 126,641.04 : x
  2. Step 2: Convert to fraction form
    392,861.04/589,292.64 = 126,641.04/x
  3. Step 3: Cross multiply
    392,861.04x = 589,292.64 × 126,641.04
  4. Step 4: Simplify right side
    392,861.04x = 74,628,632,793.95
  5. Step 5: Solve for x
    x = 74,628,632,793.95/392,861.04
  6. Step 6: Final answer
    x = 189,961.91

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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.