Home / 269,579.68-404,252.28-143,192.20

Finding the Fourth Proportional to 269,579.68, 404,252.28 and 143,192.20

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Solution

The fourth proportional to 269,579.68, 404,252.28 and 143,192.20 is: 214,726.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,579.68 : 404,252.28 = 143,192.20 : x
  2. Step 2: Convert to fraction form
    269,579.68/404,252.28 = 143,192.20/x
  3. Step 3: Cross multiply
    269,579.68x = 404,252.28 × 143,192.20
  4. Step 4: Simplify right side
    269,579.68x = 57,885,773,328.22
  5. Step 5: Solve for x
    x = 57,885,773,328.22/269,579.68
  6. Step 6: Final answer
    x = 214,726.03

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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.