Home / 290,095.11-400,324.86-161,025.96

Finding the Fourth Proportional to 290,095.11, 400,324.86 and 161,025.96

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Solution

The fourth proportional to 290,095.11, 400,324.86 and 161,025.96 is: 222,212.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,095.11 : 400,324.86 = 161,025.96 : x
  2. Step 2: Convert to fraction form
    290,095.11/400,324.86 = 161,025.96/x
  3. Step 3: Cross multiply
    290,095.11x = 400,324.86 × 161,025.96
  4. Step 4: Simplify right side
    290,095.11x = 64,462,694,893.37
  5. Step 5: Solve for x
    x = 64,462,694,893.37/290,095.11
  6. Step 6: Final answer
    x = 222,212.28

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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.