Home / 274,621.54-411,976.73-85,037.34

Finding the Fourth Proportional to 274,621.54, 411,976.73 and 85,037.34

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Solution

The fourth proportional to 274,621.54, 411,976.73 and 85,037.34 is: 127,569.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,621.54 : 411,976.73 = 85,037.34 : x
  2. Step 2: Convert to fraction form
    274,621.54/411,976.73 = 85,037.34/x
  3. Step 3: Cross multiply
    274,621.54x = 411,976.73 × 85,037.34
  4. Step 4: Simplify right side
    274,621.54x = 35,033,405,261.10
  5. Step 5: Solve for x
    x = 35,033,405,261.10/274,621.54
  6. Step 6: Final answer
    x = 127,569.76

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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.