Home / 285,917.04-394,583.40-165,080.43

Finding the Fourth Proportional to 285,917.04, 394,583.40 and 165,080.43

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Solution

The fourth proportional to 285,917.04, 394,583.40 and 165,080.43 is: 227,821.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,917.04 : 394,583.40 = 165,080.43 : x
  2. Step 2: Convert to fraction form
    285,917.04/394,583.40 = 165,080.43/x
  3. Step 3: Cross multiply
    285,917.04x = 394,583.40 × 165,080.43
  4. Step 4: Simplify right side
    285,917.04x = 65,137,997,342.86
  5. Step 5: Solve for x
    x = 65,137,997,342.86/285,917.04
  6. Step 6: Final answer
    x = 227,821.32

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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.