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Finding the Fourth Proportional to 300,771.35, 415,048.64 and 171,704.73

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Solution

The fourth proportional to 300,771.35, 415,048.64 and 171,704.73 is: 236,943.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,771.35 : 415,048.64 = 171,704.73 : x
  2. Step 2: Convert to fraction form
    300,771.35/415,048.64 = 171,704.73/x
  3. Step 3: Cross multiply
    300,771.35x = 415,048.64 × 171,704.73
  4. Step 4: Simplify right side
    300,771.35x = 71,265,814,668.07
  5. Step 5: Solve for x
    x = 71,265,814,668.07/300,771.35
  6. Step 6: Final answer
    x = 236,943.49

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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.