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Finding the Fourth Proportional to 300,659.73, 414,945.36 and 173,339.88

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Solution

The fourth proportional to 300,659.73, 414,945.36 and 173,339.88 is: 239,229.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,659.73 : 414,945.36 = 173,339.88 : x
  2. Step 2: Convert to fraction form
    300,659.73/414,945.36 = 173,339.88/x
  3. Step 3: Cross multiply
    300,659.73x = 414,945.36 × 173,339.88
  4. Step 4: Simplify right side
    300,659.73x = 71,926,578,908.96
  5. Step 5: Solve for x
    x = 71,926,578,908.96/300,659.73
  6. Step 6: Final answer
    x = 239,229.17

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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.