Home / 271,943.82-407,873.60-138,922.38

Finding the Fourth Proportional to 271,943.82, 407,873.60 and 138,922.38

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Solution

The fourth proportional to 271,943.82, 407,873.60 and 138,922.38 is: 208,362.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,943.82 : 407,873.60 = 138,922.38 : x
  2. Step 2: Convert to fraction form
    271,943.82/407,873.60 = 138,922.38/x
  3. Step 3: Cross multiply
    271,943.82x = 407,873.60 × 138,922.38
  4. Step 4: Simplify right side
    271,943.82x = 56,662,771,251.17
  5. Step 5: Solve for x
    x = 56,662,771,251.17/271,943.82
  6. Step 6: Final answer
    x = 208,362.05

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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.