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Finding the Fourth Proportional to 300,800.07, 415,104.11 and 166,664.07

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Solution

The fourth proportional to 300,800.07, 415,104.11 and 166,664.07 is: 229,996.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,800.07 : 415,104.11 = 166,664.07 : x
  2. Step 2: Convert to fraction form
    300,800.07/415,104.11 = 166,664.07/x
  3. Step 3: Cross multiply
    300,800.07x = 415,104.11 × 166,664.07
  4. Step 4: Simplify right side
    300,800.07x = 69,182,939,613.01
  5. Step 5: Solve for x
    x = 69,182,939,613.01/300,800.07
  6. Step 6: Final answer
    x = 229,996.42

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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.