Home / 306,272.42-422,593.70-178,923.41

Finding the Fourth Proportional to 306,272.42, 422,593.70 and 178,923.41

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Solution

The fourth proportional to 306,272.42, 422,593.70 and 178,923.41 is: 246,877.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,272.42 : 422,593.70 = 178,923.41 : x
  2. Step 2: Convert to fraction form
    306,272.42/422,593.70 = 178,923.41/x
  3. Step 3: Cross multiply
    306,272.42x = 422,593.70 × 178,923.41
  4. Step 4: Simplify right side
    306,272.42x = 75,611,906,457.69
  5. Step 5: Solve for x
    x = 75,611,906,457.69/306,272.42
  6. Step 6: Final answer
    x = 246,877.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.