Home / 275,185.32-412,194.78-207,884.04

Finding the Fourth Proportional to 275,185.32, 412,194.78 and 207,884.04

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Solution

The fourth proportional to 275,185.32, 412,194.78 and 207,884.04 is: 311,385.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,185.32 : 412,194.78 = 207,884.04 : x
  2. Step 2: Convert to fraction form
    275,185.32/412,194.78 = 207,884.04/x
  3. Step 3: Cross multiply
    275,185.32x = 412,194.78 × 207,884.04
  4. Step 4: Simplify right side
    275,185.32x = 85,688,716,133.31
  5. Step 5: Solve for x
    x = 85,688,716,133.31/275,185.32
  6. Step 6: Final answer
    x = 311,385.49

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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.