Home / 275,547.21-412,517.89-204,783.18

Finding the Fourth Proportional to 275,547.21, 412,517.89 and 204,783.18

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Solution

The fourth proportional to 275,547.21, 412,517.89 and 204,783.18 is: 306,578.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,547.21 : 412,517.89 = 204,783.18 : x
  2. Step 2: Convert to fraction form
    275,547.21/412,517.89 = 204,783.18/x
  3. Step 3: Cross multiply
    275,547.21x = 412,517.89 × 204,783.18
  4. Step 4: Simplify right side
    275,547.21x = 84,476,725,321.09
  5. Step 5: Solve for x
    x = 84,476,725,321.09/275,547.21
  6. Step 6: Final answer
    x = 306,578.05

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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.