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Finding the Fourth Proportional to 300,218.72, 414,234 and 179,336.36

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Solution

The fourth proportional to 300,218.72, 414,234 and 179,336.36 is: 247,443.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,218.72 : 414,234 = 179,336.36 : x
  2. Step 2: Convert to fraction form
    300,218.72/414,234 = 179,336.36/x
  3. Step 3: Cross multiply
    300,218.72x = 414,234 × 179,336.36
  4. Step 4: Simplify right side
    300,218.72x = 74,287,217,748.24
  5. Step 5: Solve for x
    x = 74,287,217,748.24/300,218.72
  6. Step 6: Final answer
    x = 247,443.66

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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.