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Finding the Fourth Proportional to 285,996.44, 428,739.73 and 108,628.00

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Solution

The fourth proportional to 285,996.44, 428,739.73 and 108,628.00 is: 162,845.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,996.44 : 428,739.73 = 108,628.00 : x
  2. Step 2: Convert to fraction form
    285,996.44/428,739.73 = 108,628.00/x
  3. Step 3: Cross multiply
    285,996.44x = 428,739.73 × 108,628.00
  4. Step 4: Simplify right side
    285,996.44x = 46,573,141,069.71
  5. Step 5: Solve for x
    x = 46,573,141,069.71/285,996.44
  6. Step 6: Final answer
    x = 162,845.18

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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.