Home / 392,711.05-589,072.50-149,565.58

Finding the Fourth Proportional to 392,711.05, 589,072.50 and 149,565.58

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Solution

The fourth proportional to 392,711.05, 589,072.50 and 149,565.58 is: 224,350.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,711.05 : 589,072.50 = 149,565.58 : x
  2. Step 2: Convert to fraction form
    392,711.05/589,072.50 = 149,565.58/x
  3. Step 3: Cross multiply
    392,711.05x = 589,072.50 × 149,565.58
  4. Step 4: Simplify right side
    392,711.05x = 88,104,970,124.55
  5. Step 5: Solve for x
    x = 88,104,970,124.55/392,711.05
  6. Step 6: Final answer
    x = 224,350.63

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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.