Home / 298,231.24-411,566.70-162,272.56

Finding the Fourth Proportional to 298,231.24, 411,566.70 and 162,272.56

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Solution

The fourth proportional to 298,231.24, 411,566.70 and 162,272.56 is: 223,940.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,231.24 : 411,566.70 = 162,272.56 : x
  2. Step 2: Convert to fraction form
    298,231.24/411,566.70 = 162,272.56/x
  3. Step 3: Cross multiply
    298,231.24x = 411,566.70 × 162,272.56
  4. Step 4: Simplify right side
    298,231.24x = 66,785,982,019.75
  5. Step 5: Solve for x
    x = 66,785,982,019.75/298,231.24
  6. Step 6: Final answer
    x = 223,940.26

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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.