Home / 421,175.25-581,213.22-230,190.03

Finding the Fourth Proportional to 421,175.25, 581,213.22 and 230,190.03

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Solution

The fourth proportional to 421,175.25, 581,213.22 and 230,190.03 is: 317,657.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,175.25 : 581,213.22 = 230,190.03 : x
  2. Step 2: Convert to fraction form
    421,175.25/581,213.22 = 230,190.03/x
  3. Step 3: Cross multiply
    421,175.25x = 581,213.22 × 230,190.03
  4. Step 4: Simplify right side
    421,175.25x = 133,789,488,548.20
  5. Step 5: Solve for x
    x = 133,789,488,548.20/421,175.25
  6. Step 6: Final answer
    x = 317,657.53

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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.