Home / 271,949.30-407,117.55-202,138.10

Finding the Fourth Proportional to 271,949.30, 407,117.55 and 202,138.10

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Solution

The fourth proportional to 271,949.30, 407,117.55 and 202,138.10 is: 302,607.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,949.30 : 407,117.55 = 202,138.10 : x
  2. Step 2: Convert to fraction form
    271,949.30/407,117.55 = 202,138.10/x
  3. Step 3: Cross multiply
    271,949.30x = 407,117.55 × 202,138.10
  4. Step 4: Simplify right side
    271,949.30x = 82,293,968,033.66
  5. Step 5: Solve for x
    x = 82,293,968,033.66/271,949.30
  6. Step 6: Final answer
    x = 302,607.76

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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.