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Finding the Fourth Proportional to 285,913, 394,560.26 and 166,704.04

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Solution

The fourth proportional to 285,913, 394,560.26 and 166,704.04 is: 230,051.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,913 : 394,560.26 = 166,704.04 : x
  2. Step 2: Convert to fraction form
    285,913/394,560.26 = 166,704.04/x
  3. Step 3: Cross multiply
    285,913x = 394,560.26 × 166,704.04
  4. Step 4: Simplify right side
    285,913x = 65,774,789,365.45
  5. Step 5: Solve for x
    x = 65,774,789,365.45/285,913
  6. Step 6: Final answer
    x = 230,051.76

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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.