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Finding the Fourth Proportional to 275,527.85, 380,228.24 and 154,669.37

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Solution

The fourth proportional to 275,527.85, 380,228.24 and 154,669.37 is: 213,443.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,527.85 : 380,228.24 = 154,669.37 : x
  2. Step 2: Convert to fraction form
    275,527.85/380,228.24 = 154,669.37/x
  3. Step 3: Cross multiply
    275,527.85x = 380,228.24 × 154,669.37
  4. Step 4: Simplify right side
    275,527.85x = 58,809,659,662.52
  5. Step 5: Solve for x
    x = 58,809,659,662.52/275,527.85
  6. Step 6: Final answer
    x = 213,443.62

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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.