Home / 269,538.48-403,979.76-190,675.44

Finding the Fourth Proportional to 269,538.48, 403,979.76 and 190,675.44

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Solution

The fourth proportional to 269,538.48, 403,979.76 and 190,675.44 is: 285,781.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,538.48 : 403,979.76 = 190,675.44 : x
  2. Step 2: Convert to fraction form
    269,538.48/403,979.76 = 190,675.44/x
  3. Step 3: Cross multiply
    269,538.48x = 403,979.76 × 190,675.44
  4. Step 4: Simplify right side
    269,538.48x = 77,029,018,489.09
  5. Step 5: Solve for x
    x = 77,029,018,489.09/269,538.48
  6. Step 6: Final answer
    x = 285,781.16

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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.