Home / 269,245.10-403,886.85-82,256.30

Finding the Fourth Proportional to 269,245.10, 403,886.85 and 82,256.30

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Solution

The fourth proportional to 269,245.10, 403,886.85 and 82,256.30 is: 123,390.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,245.10 : 403,886.85 = 82,256.30 : x
  2. Step 2: Convert to fraction form
    269,245.10/403,886.85 = 82,256.30/x
  3. Step 3: Cross multiply
    269,245.10x = 403,886.85 × 82,256.30
  4. Step 4: Simplify right side
    269,245.10x = 33,222,237,899.66
  5. Step 5: Solve for x
    x = 33,222,237,899.66/269,245.10
  6. Step 6: Final answer
    x = 123,390.32

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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.