Home / 382,971.26-574,057.55-214,244.21

Finding the Fourth Proportional to 382,971.26, 574,057.55 and 214,244.21

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Solution

The fourth proportional to 382,971.26, 574,057.55 and 214,244.21 is: 321,142.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,971.26 : 574,057.55 = 214,244.21 : x
  2. Step 2: Convert to fraction form
    382,971.26/574,057.55 = 214,244.21/x
  3. Step 3: Cross multiply
    382,971.26x = 574,057.55 × 214,244.21
  4. Step 4: Simplify right side
    382,971.26x = 122,988,502,352.78
  5. Step 5: Solve for x
    x = 122,988,502,352.78/382,971.26
  6. Step 6: Final answer
    x = 321,142.91

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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.