Home / 274,921.24-378,478-246,577.72

Finding the Fourth Proportional to 274,921.24, 378,478 and 246,577.72

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Solution

The fourth proportional to 274,921.24, 378,478 and 246,577.72 is: 339,458.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,921.24 : 378,478 = 246,577.72 : x
  2. Step 2: Convert to fraction form
    274,921.24/378,478 = 246,577.72/x
  3. Step 3: Cross multiply
    274,921.24x = 378,478 × 246,577.72
  4. Step 4: Simplify right side
    274,921.24x = 93,324,242,310.16
  5. Step 5: Solve for x
    x = 93,324,242,310.16/274,921.24
  6. Step 6: Final answer
    x = 339,458.10

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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.