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Finding the Fourth Proportional to 271,930.10, 407,895.15 and 271,930.10

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Solution

The fourth proportional to 271,930.10, 407,895.15 and 271,930.10 is: 407,895.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,930.10 : 407,895.15 = 271,930.10 : x
  2. Step 2: Convert to fraction form
    271,930.10/407,895.15 = 271,930.10/x
  3. Step 3: Cross multiply
    271,930.10x = 407,895.15 × 271,930.10
  4. Step 4: Simplify right side
    271,930.10x = 110,918,968,929.02
  5. Step 5: Solve for x
    x = 110,918,968,929.02/271,930.10
  6. Step 6: Final answer
    x = 407,895.15

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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.