Home / 225,861.13-338,372.75-161,686.81

Finding the Fourth Proportional to 225,861.13, 338,372.75 and 161,686.81

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Solution

The fourth proportional to 225,861.13, 338,372.75 and 161,686.81 is: 242,230.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,861.13 : 338,372.75 = 161,686.81 : x
  2. Step 2: Convert to fraction form
    225,861.13/338,372.75 = 161,686.81/x
  3. Step 3: Cross multiply
    225,861.13x = 338,372.75 × 161,686.81
  4. Step 4: Simplify right side
    225,861.13x = 54,710,410,641.31
  5. Step 5: Solve for x
    x = 54,710,410,641.31/225,861.13
  6. Step 6: Final answer
    x = 242,230.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.