Home / 319,705.25-441,165.24-204,781.10

Finding the Fourth Proportional to 319,705.25, 441,165.24 and 204,781.10

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Solution

The fourth proportional to 319,705.25, 441,165.24 and 204,781.10 is: 282,579.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,705.25 : 441,165.24 = 204,781.10 : x
  2. Step 2: Convert to fraction form
    319,705.25/441,165.24 = 204,781.10/x
  3. Step 3: Cross multiply
    319,705.25x = 441,165.24 × 204,781.10
  4. Step 4: Simplify right side
    319,705.25x = 90,342,300,923.14
  5. Step 5: Solve for x
    x = 90,342,300,923.14/319,705.25
  6. Step 6: Final answer
    x = 282,579.98

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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.