Home / 275,736.41-380,507.96-153,228.38

Finding the Fourth Proportional to 275,736.41, 380,507.96 and 153,228.38

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Solution

The fourth proportional to 275,736.41, 380,507.96 and 153,228.38 is: 211,450.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,736.41 : 380,507.96 = 153,228.38 : x
  2. Step 2: Convert to fraction form
    275,736.41/380,507.96 = 153,228.38/x
  3. Step 3: Cross multiply
    275,736.41x = 380,507.96 × 153,228.38
  4. Step 4: Simplify right side
    275,736.41x = 58,304,616,385.37
  5. Step 5: Solve for x
    x = 58,304,616,385.37/275,736.41
  6. Step 6: Final answer
    x = 211,450.55

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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.