Home / 392,942.75-589,522.46-156,451.50

Finding the Fourth Proportional to 392,942.75, 589,522.46 and 156,451.50

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Solution

The fourth proportional to 392,942.75, 589,522.46 and 156,451.50 is: 234,720.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,942.75 : 589,522.46 = 156,451.50 : x
  2. Step 2: Convert to fraction form
    392,942.75/589,522.46 = 156,451.50/x
  3. Step 3: Cross multiply
    392,942.75x = 589,522.46 × 156,451.50
  4. Step 4: Simplify right side
    392,942.75x = 92,231,672,368.43
  5. Step 5: Solve for x
    x = 92,231,672,368.43/392,942.75
  6. Step 6: Final answer
    x = 234,720.38

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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.