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Finding the Fourth Proportional to 275,725.80, 380,599.38 and 166,835.76

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Solution

The fourth proportional to 275,725.80, 380,599.38 and 166,835.76 is: 230,292.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,725.80 : 380,599.38 = 166,835.76 : x
  2. Step 2: Convert to fraction form
    275,725.80/380,599.38 = 166,835.76/x
  3. Step 3: Cross multiply
    275,725.80x = 380,599.38 × 166,835.76
  4. Step 4: Simplify right side
    275,725.80x = 63,497,586,817.83
  5. Step 5: Solve for x
    x = 63,497,586,817.83/275,725.80
  6. Step 6: Final answer
    x = 230,292.51

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.