Home / 377,825.26-521,261.90-214,387.12

Finding the Fourth Proportional to 377,825.26, 521,261.90 and 214,387.12

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Solution

The fourth proportional to 377,825.26, 521,261.90 and 214,387.12 is: 295,776.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,825.26 : 521,261.90 = 214,387.12 : x
  2. Step 2: Convert to fraction form
    377,825.26/521,261.90 = 214,387.12/x
  3. Step 3: Cross multiply
    377,825.26x = 521,261.90 × 214,387.12
  4. Step 4: Simplify right side
    377,825.26x = 111,751,837,506.73
  5. Step 5: Solve for x
    x = 111,751,837,506.73/377,825.26
  6. Step 6: Final answer
    x = 295,776.51

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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.