Home / 285,618.48-394,108.92-164,764.32

Finding the Fourth Proportional to 285,618.48, 394,108.92 and 164,764.32

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Solution

The fourth proportional to 285,618.48, 394,108.92 and 164,764.32 is: 227,349.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,618.48 : 394,108.92 = 164,764.32 : x
  2. Step 2: Convert to fraction form
    285,618.48/394,108.92 = 164,764.32/x
  3. Step 3: Cross multiply
    285,618.48x = 394,108.92 × 164,764.32
  4. Step 4: Simplify right side
    285,618.48x = 64,935,088,209.73
  5. Step 5: Solve for x
    x = 64,935,088,209.73/285,618.48
  6. Step 6: Final answer
    x = 227,349.04

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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.