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Finding the Fourth Proportional to 300,334.23, 414,420.30 and 179,449.97

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Solution

The fourth proportional to 300,334.23, 414,420.30 and 179,449.97 is: 247,616.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,334.23 : 414,420.30 = 179,449.97 : x
  2. Step 2: Convert to fraction form
    300,334.23/414,420.30 = 179,449.97/x
  3. Step 3: Cross multiply
    300,334.23x = 414,420.30 × 179,449.97
  4. Step 4: Simplify right side
    300,334.23x = 74,367,708,330.29
  5. Step 5: Solve for x
    x = 74,367,708,330.29/300,334.23
  6. Step 6: Final answer
    x = 247,616.49

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1.5x scale

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.