Home / 306,292.58-422,621.82-178,943.57

Finding the Fourth Proportional to 306,292.58, 422,621.82 and 178,943.57

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Solution

The fourth proportional to 306,292.58, 422,621.82 and 178,943.57 is: 246,905.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,292.58 : 422,621.82 = 178,943.57 : x
  2. Step 2: Convert to fraction form
    306,292.58/422,621.82 = 178,943.57/x
  3. Step 3: Cross multiply
    306,292.58x = 422,621.82 × 178,943.57
  4. Step 4: Simplify right side
    306,292.58x = 75,625,457,230.70
  5. Step 5: Solve for x
    x = 75,625,457,230.70/306,292.58
  6. Step 6: Final answer
    x = 246,905.94

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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.