Home / 290,546.37-400,944.69-161,484.21

Finding the Fourth Proportional to 290,546.37, 400,944.69 and 161,484.21

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Solution

The fourth proportional to 290,546.37, 400,944.69 and 161,484.21 is: 222,843.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,546.37 : 400,944.69 = 161,484.21 : x
  2. Step 2: Convert to fraction form
    290,546.37/400,944.69 = 161,484.21/x
  3. Step 3: Cross multiply
    290,546.37x = 400,944.69 × 161,484.21
  4. Step 4: Simplify right side
    290,546.37x = 64,746,236,518.34
  5. Step 5: Solve for x
    x = 64,746,236,518.34/290,546.37
  6. Step 6: Final answer
    x = 222,843.04

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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.