Home / 392,768.07-589,152.57-126,568.23

Finding the Fourth Proportional to 392,768.07, 589,152.57 and 126,568.23

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Solution

The fourth proportional to 392,768.07, 589,152.57 and 126,568.23 is: 189,852.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,768.07 : 589,152.57 = 126,568.23 : x
  2. Step 2: Convert to fraction form
    392,768.07/589,152.57 = 126,568.23/x
  3. Step 3: Cross multiply
    392,768.07x = 589,152.57 × 126,568.23
  4. Step 4: Simplify right side
    392,768.07x = 74,567,997,984.85
  5. Step 5: Solve for x
    x = 74,567,997,984.85/392,768.07
  6. Step 6: Final answer
    x = 189,852.49

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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.