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Finding the Fourth Proportional to 275,596.56, 380,293.88 and 154,751.04

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Solution

The fourth proportional to 275,596.56, 380,293.88 and 154,751.04 is: 213,539.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,596.56 : 380,293.88 = 154,751.04 : x
  2. Step 2: Convert to fraction form
    275,596.56/380,293.88 = 154,751.04/x
  3. Step 3: Cross multiply
    275,596.56x = 380,293.88 × 154,751.04
  4. Step 4: Simplify right side
    275,596.56x = 58,850,872,661.88
  5. Step 5: Solve for x
    x = 58,850,872,661.88/275,596.56
  6. Step 6: Final answer
    x = 213,539.94

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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.