Home / 271,121.31-406,687.37-190,830.87

Finding the Fourth Proportional to 271,121.31, 406,687.37 and 190,830.87

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Solution

The fourth proportional to 271,121.31, 406,687.37 and 190,830.87 is: 286,250.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,121.31 : 406,687.37 = 190,830.87 : x
  2. Step 2: Convert to fraction form
    271,121.31/406,687.37 = 190,830.87/x
  3. Step 3: Cross multiply
    271,121.31x = 406,687.37 × 190,830.87
  4. Step 4: Simplify right side
    271,121.31x = 77,608,503,680.96
  5. Step 5: Solve for x
    x = 77,608,503,680.96/271,121.31
  6. Step 6: Final answer
    x = 286,250.11

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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.