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Finding the Fourth Proportional to 300,644.66, 414,924.63 and 173,324.81

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Solution

The fourth proportional to 300,644.66, 414,924.63 and 173,324.81 is: 239,208.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,644.66 : 414,924.63 = 173,324.81 : x
  2. Step 2: Convert to fraction form
    300,644.66/414,924.63 = 173,324.81/x
  3. Step 3: Cross multiply
    300,644.66x = 414,924.63 × 173,324.81
  4. Step 4: Simplify right side
    300,644.66x = 71,916,733,046.41
  5. Step 5: Solve for x
    x = 71,916,733,046.41/300,644.66
  6. Step 6: Final answer
    x = 239,208.41

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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.