Home / 269,538.48-403,964.23-143,239.23

Finding the Fourth Proportional to 269,538.48, 403,964.23 and 143,239.23

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Solution

The fourth proportional to 269,538.48, 403,964.23 and 143,239.23 is: 214,676.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,538.48 : 403,964.23 = 143,239.23 : x
  2. Step 2: Convert to fraction form
    269,538.48/403,964.23 = 143,239.23/x
  3. Step 3: Cross multiply
    269,538.48x = 403,964.23 × 143,239.23
  4. Step 4: Simplify right side
    269,538.48x = 57,863,526,620.75
  5. Step 5: Solve for x
    x = 57,863,526,620.75/269,538.48
  6. Step 6: Final answer
    x = 214,676.31

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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.