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Finding the Fourth Proportional to 271,708.90, 407,563.35 and 227,750.20

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Solution

The fourth proportional to 271,708.90, 407,563.35 and 227,750.20 is: 341,625.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,708.90 : 407,563.35 = 227,750.20 : x
  2. Step 2: Convert to fraction form
    271,708.90/407,563.35 = 227,750.20/x
  3. Step 3: Cross multiply
    271,708.90x = 407,563.35 × 227,750.20
  4. Step 4: Simplify right side
    271,708.90x = 92,822,634,475.17
  5. Step 5: Solve for x
    x = 92,822,634,475.17/271,708.90
  6. Step 6: Final answer
    x = 341,625.30

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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.