Home / 285,819.10-394,401.93-164,999.30

Finding the Fourth Proportional to 285,819.10, 394,401.93 and 164,999.30

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Solution

The fourth proportional to 285,819.10, 394,401.93 and 164,999.30 is: 227,682.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,819.10 : 394,401.93 = 164,999.30 : x
  2. Step 2: Convert to fraction form
    285,819.10/394,401.93 = 164,999.30/x
  3. Step 3: Cross multiply
    285,819.10x = 394,401.93 × 164,999.30
  4. Step 4: Simplify right side
    285,819.10x = 65,076,042,368.65
  5. Step 5: Solve for x
    x = 65,076,042,368.65/285,819.10
  6. Step 6: Final answer
    x = 227,682.62

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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.