Home / 306,158.00-422,350.83-198,761.72

Finding the Fourth Proportional to 306,158.00, 422,350.83 and 198,761.72

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Solution

The fourth proportional to 306,158.00, 422,350.83 and 198,761.72 is: 274,195.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,158.00 : 422,350.83 = 198,761.72 : x
  2. Step 2: Convert to fraction form
    306,158.00/422,350.83 = 198,761.72/x
  3. Step 3: Cross multiply
    306,158.00x = 422,350.83 × 198,761.72
  4. Step 4: Simplify right side
    306,158.00x = 83,947,175,302.47
  5. Step 5: Solve for x
    x = 83,947,175,302.47/306,158.00
  6. Step 6: Final answer
    x = 274,195.60

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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.