Home / 215,327.26-322,991.01-96,860.21

Finding the Fourth Proportional to 215,327.26, 322,991.01 and 96,860.21

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Solution

The fourth proportional to 215,327.26, 322,991.01 and 96,860.21 is: 145,290.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,327.26 : 322,991.01 = 96,860.21 : x
  2. Step 2: Convert to fraction form
    215,327.26/322,991.01 = 96,860.21/x
  3. Step 3: Cross multiply
    215,327.26x = 322,991.01 × 96,860.21
  4. Step 4: Simplify right side
    215,327.26x = 31,284,975,441.76
  5. Step 5: Solve for x
    x = 31,284,975,441.76/215,327.26
  6. Step 6: Final answer
    x = 145,290.36

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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.