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Finding the Fourth Proportional to 446,267.45, 615,958.46 and 274,227.10

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Solution

The fourth proportional to 446,267.45, 615,958.46 and 274,227.10 is: 378,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,267.45 : 615,958.46 = 274,227.10 : x
  2. Step 2: Convert to fraction form
    446,267.45/615,958.46 = 274,227.10/x
  3. Step 3: Cross multiply
    446,267.45x = 615,958.46 × 274,227.10
  4. Step 4: Simplify right side
    446,267.45x = 168,912,500,323.59
  5. Step 5: Solve for x
    x = 168,912,500,323.59/446,267.45
  6. Step 6: Final answer
    x = 378,500.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.