Home / 275,128.32-378,709.92-241,056.48

Finding the Fourth Proportional to 275,128.32, 378,709.92 and 241,056.48

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Solution

The fourth proportional to 275,128.32, 378,709.92 and 241,056.48 is: 331,810.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,128.32 : 378,709.92 = 241,056.48 : x
  2. Step 2: Convert to fraction form
    275,128.32/378,709.92 = 241,056.48/x
  3. Step 3: Cross multiply
    275,128.32x = 378,709.92 × 241,056.48
  4. Step 4: Simplify right side
    275,128.32x = 91,290,480,256.28
  5. Step 5: Solve for x
    x = 91,290,480,256.28/275,128.32
  6. Step 6: Final answer
    x = 331,810.55

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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.