Home / 270,631.62-405,997.29-112,873.59

Finding the Fourth Proportional to 270,631.62, 405,997.29 and 112,873.59

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Solution

The fourth proportional to 270,631.62, 405,997.29 and 112,873.59 is: 169,331.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,631.62 : 405,997.29 = 112,873.59 : x
  2. Step 2: Convert to fraction form
    270,631.62/405,997.29 = 112,873.59/x
  3. Step 3: Cross multiply
    270,631.62x = 405,997.29 × 112,873.59
  4. Step 4: Simplify right side
    270,631.62x = 45,826,371,652.57
  5. Step 5: Solve for x
    x = 45,826,371,652.57/270,631.62
  6. Step 6: Final answer
    x = 169,331.18

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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.