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Finding the Fourth Proportional to 300,437.70, 452,765.44 and 270,481.88

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Solution

The fourth proportional to 300,437.70, 452,765.44 and 270,481.88 is: 407,621.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,437.70 : 452,765.44 = 270,481.88 : x
  2. Step 2: Convert to fraction form
    300,437.70/452,765.44 = 270,481.88/x
  3. Step 3: Cross multiply
    300,437.70x = 452,765.44 × 270,481.88
  4. Step 4: Simplify right side
    300,437.70x = 122,464,844,470.20
  5. Step 5: Solve for x
    x = 122,464,844,470.20/300,437.70
  6. Step 6: Final answer
    x = 407,621.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.