Home / 271,185.22-374,238.65-154,914.09

Finding the Fourth Proportional to 271,185.22, 374,238.65 and 154,914.09

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Solution

The fourth proportional to 271,185.22, 374,238.65 and 154,914.09 is: 213,783.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,185.22 : 374,238.65 = 154,914.09 : x
  2. Step 2: Convert to fraction form
    271,185.22/374,238.65 = 154,914.09/x
  3. Step 3: Cross multiply
    271,185.22x = 374,238.65 × 154,914.09
  4. Step 4: Simplify right side
    271,185.22x = 57,974,838,584.70
  5. Step 5: Solve for x
    x = 57,974,838,584.70/271,185.22
  6. Step 6: Final answer
    x = 213,783.18

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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.