Home / 271,727.97-407,678.06-211,961.36

Finding the Fourth Proportional to 271,727.97, 407,678.06 and 211,961.36

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Solution

The fourth proportional to 271,727.97, 407,678.06 and 211,961.36 is: 318,009.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,727.97 : 407,678.06 = 211,961.36 : x
  2. Step 2: Convert to fraction form
    271,727.97/407,678.06 = 211,961.36/x
  3. Step 3: Cross multiply
    271,727.97x = 407,678.06 × 211,961.36
  4. Step 4: Simplify right side
    271,727.97x = 86,411,995,295.67
  5. Step 5: Solve for x
    x = 86,411,995,295.67/271,727.97
  6. Step 6: Final answer
    x = 318,009.21

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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.