Home / 214,844.60-322,266.90-205,743.80

Finding the Fourth Proportional to 214,844.60, 322,266.90 and 205,743.80

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Solution

The fourth proportional to 214,844.60, 322,266.90 and 205,743.80 is: 308,615.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,844.60 : 322,266.90 = 205,743.80 : x
  2. Step 2: Convert to fraction form
    214,844.60/322,266.90 = 205,743.80/x
  3. Step 3: Cross multiply
    214,844.60x = 322,266.90 × 205,743.80
  4. Step 4: Simplify right side
    214,844.60x = 66,304,416,620.22
  5. Step 5: Solve for x
    x = 66,304,416,620.22/214,844.60
  6. Step 6: Final answer
    x = 308,615.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.