Home / 290,181.14-400,489.08-162,863.72

Finding the Fourth Proportional to 290,181.14, 400,489.08 and 162,863.72

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Solution

The fourth proportional to 290,181.14, 400,489.08 and 162,863.72 is: 224,773.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,181.14 : 400,489.08 = 162,863.72 : x
  2. Step 2: Convert to fraction form
    290,181.14/400,489.08 = 162,863.72/x
  3. Step 3: Cross multiply
    290,181.14x = 400,489.08 × 162,863.72
  4. Step 4: Simplify right side
    290,181.14x = 65,225,141,388.18
  5. Step 5: Solve for x
    x = 65,225,141,388.18/290,181.14
  6. Step 6: Final answer
    x = 224,773.88

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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.