Home / 290,579.18-400,996.53-161,514.27

Finding the Fourth Proportional to 290,579.18, 400,996.53 and 161,514.27

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Solution

The fourth proportional to 290,579.18, 400,996.53 and 161,514.27 is: 222,888.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,579.18 : 400,996.53 = 161,514.27 : x
  2. Step 2: Convert to fraction form
    290,579.18/400,996.53 = 161,514.27/x
  3. Step 3: Cross multiply
    290,579.18x = 400,996.53 × 161,514.27
  4. Step 4: Simplify right side
    290,579.18x = 64,766,661,815.48
  5. Step 5: Solve for x
    x = 64,766,661,815.48/290,579.18
  6. Step 6: Final answer
    x = 222,888.17

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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.