Home / 276,730.10-415,095.15-271,481.30

Finding the Fourth Proportional to 276,730.10, 415,095.15 and 271,481.30

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Solution

The fourth proportional to 276,730.10, 415,095.15 and 271,481.30 is: 407,221.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,730.10 : 415,095.15 = 271,481.30 : x
  2. Step 2: Convert to fraction form
    276,730.10/415,095.15 = 271,481.30/x
  3. Step 3: Cross multiply
    276,730.10x = 415,095.15 × 271,481.30
  4. Step 4: Simplify right side
    276,730.10x = 112,690,570,945.70
  5. Step 5: Solve for x
    x = 112,690,570,945.70/276,730.10
  6. Step 6: Final answer
    x = 407,221.95

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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.