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Finding the Fourth Proportional to 285,997.56, 429,165.83 and 108,653.73

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Solution

The fourth proportional to 285,997.56, 429,165.83 and 108,653.73 is: 163,044.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,997.56 : 429,165.83 = 108,653.73 : x
  2. Step 2: Convert to fraction form
    285,997.56/429,165.83 = 108,653.73/x
  3. Step 3: Cross multiply
    285,997.56x = 429,165.83 × 108,653.73
  4. Step 4: Simplify right side
    285,997.56x = 46,630,468,218.05
  5. Step 5: Solve for x
    x = 46,630,468,218.05/285,997.56
  6. Step 6: Final answer
    x = 163,044.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.