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Finding the Fourth Proportional to 275,007.40, 412,511.10 and 227,768.20

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Solution

The fourth proportional to 275,007.40, 412,511.10 and 227,768.20 is: 341,652.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,007.40 : 412,511.10 = 227,768.20 : x
  2. Step 2: Convert to fraction form
    275,007.40/412,511.10 = 227,768.20/x
  3. Step 3: Cross multiply
    275,007.40x = 412,511.10 × 227,768.20
  4. Step 4: Simplify right side
    275,007.40x = 93,956,910,727.02
  5. Step 5: Solve for x
    x = 93,956,910,727.02/275,007.40
  6. Step 6: Final answer
    x = 341,652.30

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Similar ratio
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1.5x scale

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.