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Finding the Fourth Proportional to 285,637.46, 394,023.19 and 182,079.36

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Solution

The fourth proportional to 285,637.46, 394,023.19 and 182,079.36 is: 251,169.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,637.46 : 394,023.19 = 182,079.36 : x
  2. Step 2: Convert to fraction form
    285,637.46/394,023.19 = 182,079.36/x
  3. Step 3: Cross multiply
    285,637.46x = 394,023.19 × 182,079.36
  4. Step 4: Simplify right side
    285,637.46x = 71,743,490,885.35
  5. Step 5: Solve for x
    x = 71,743,490,885.35/285,637.46
  6. Step 6: Final answer
    x = 251,169.76

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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.