Home / 271,964.85-407,885.78-103,425.11

Finding the Fourth Proportional to 271,964.85, 407,885.78 and 103,425.11

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Solution

The fourth proportional to 271,964.85, 407,885.78 and 103,425.11 is: 155,114.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,964.85 : 407,885.78 = 103,425.11 : x
  2. Step 2: Convert to fraction form
    271,964.85/407,885.78 = 103,425.11/x
  3. Step 3: Cross multiply
    271,964.85x = 407,885.78 × 103,425.11
  4. Step 4: Simplify right side
    271,964.85x = 42,185,632,942.21
  5. Step 5: Solve for x
    x = 42,185,632,942.21/271,964.85
  6. Step 6: Final answer
    x = 155,114.28

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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.