Home / 275,871.24-380,690.17-161,160.50

Finding the Fourth Proportional to 275,871.24, 380,690.17 and 161,160.50

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Solution

The fourth proportional to 275,871.24, 380,690.17 and 161,160.50 is: 222,394.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,871.24 : 380,690.17 = 161,160.50 : x
  2. Step 2: Convert to fraction form
    275,871.24/380,690.17 = 161,160.50/x
  3. Step 3: Cross multiply
    275,871.24x = 380,690.17 × 161,160.50
  4. Step 4: Simplify right side
    275,871.24x = 61,352,218,691.11
  5. Step 5: Solve for x
    x = 61,352,218,691.11/275,871.24
  6. Step 6: Final answer
    x = 222,394.40

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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.