Home / 274,934.44-412,466.20-85,385.02

Finding the Fourth Proportional to 274,934.44, 412,466.20 and 85,385.02

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Solution

The fourth proportional to 274,934.44, 412,466.20 and 85,385.02 is: 128,097.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,934.44 : 412,466.20 = 85,385.02 : x
  2. Step 2: Convert to fraction form
    274,934.44/412,466.20 = 85,385.02/x
  3. Step 3: Cross multiply
    274,934.44x = 412,466.20 × 85,385.02
  4. Step 4: Simplify right side
    274,934.44x = 35,218,434,736.32
  5. Step 5: Solve for x
    x = 35,218,434,736.32/274,934.44
  6. Step 6: Final answer
    x = 128,097.57

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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.