Home / 202,516.20-303,774.30-198,579.60

Finding the Fourth Proportional to 202,516.20, 303,774.30 and 198,579.60

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Solution

The fourth proportional to 202,516.20, 303,774.30 and 198,579.60 is: 297,869.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,516.20 : 303,774.30 = 198,579.60 : x
  2. Step 2: Convert to fraction form
    202,516.20/303,774.30 = 198,579.60/x
  3. Step 3: Cross multiply
    202,516.20x = 303,774.30 × 198,579.60
  4. Step 4: Simplify right side
    202,516.20x = 60,323,378,984.28
  5. Step 5: Solve for x
    x = 60,323,378,984.28/202,516.20
  6. Step 6: Final answer
    x = 297,869.40

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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.