Home / 269,014.36-371,284.20-205,231.72

Finding the Fourth Proportional to 269,014.36, 371,284.20 and 205,231.72

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Solution

The fourth proportional to 269,014.36, 371,284.20 and 205,231.72 is: 283,253.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,014.36 : 371,284.20 = 205,231.72 : x
  2. Step 2: Convert to fraction form
    269,014.36/371,284.20 = 205,231.72/x
  3. Step 3: Cross multiply
    269,014.36x = 371,284.20 × 205,231.72
  4. Step 4: Simplify right side
    269,014.36x = 76,199,294,974.82
  5. Step 5: Solve for x
    x = 76,199,294,974.82/269,014.36
  6. Step 6: Final answer
    x = 283,253.63

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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.