Home / 286,079.04-394,806.96-165,242.43

Finding the Fourth Proportional to 286,079.04, 394,806.96 and 165,242.43

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Solution

The fourth proportional to 286,079.04, 394,806.96 and 165,242.43 is: 228,044.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,079.04 : 394,806.96 = 165,242.43 : x
  2. Step 2: Convert to fraction form
    286,079.04/394,806.96 = 165,242.43/x
  3. Step 3: Cross multiply
    286,079.04x = 394,806.96 × 165,242.43
  4. Step 4: Simplify right side
    286,079.04x = 65,238,861,451.31
  5. Step 5: Solve for x
    x = 65,238,861,451.31/286,079.04
  6. Step 6: Final answer
    x = 228,044.88

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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.