Home / 392,943.75-589,523.96-156,452.50

Finding the Fourth Proportional to 392,943.75, 589,523.96 and 156,452.50

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Solution

The fourth proportional to 392,943.75, 589,523.96 and 156,452.50 is: 234,721.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,943.75 : 589,523.96 = 156,452.50 : x
  2. Step 2: Convert to fraction form
    392,943.75/589,523.96 = 156,452.50/x
  3. Step 3: Cross multiply
    392,943.75x = 589,523.96 × 156,452.50
  4. Step 4: Simplify right side
    392,943.75x = 92,232,497,351.90
  5. Step 5: Solve for x
    x = 92,232,497,351.90/392,943.75
  6. Step 6: Final answer
    x = 234,721.88

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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.