Home / 271,930.85-407,022.83-145,254.34

Finding the Fourth Proportional to 271,930.85, 407,022.83 and 145,254.34

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Solution

The fourth proportional to 271,930.85, 407,022.83 and 145,254.34 is: 217,414.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,930.85 : 407,022.83 = 145,254.34 : x
  2. Step 2: Convert to fraction form
    271,930.85/407,022.83 = 145,254.34/x
  3. Step 3: Cross multiply
    271,930.85x = 407,022.83 × 145,254.34
  4. Step 4: Simplify right side
    271,930.85x = 59,121,832,536.58
  5. Step 5: Solve for x
    x = 59,121,832,536.58/271,930.85
  6. Step 6: Final answer
    x = 217,414.95

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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.