Home / 285,559.83-394,171.31-164,749.21

Finding the Fourth Proportional to 285,559.83, 394,171.31 and 164,749.21

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Solution

The fourth proportional to 285,559.83, 394,171.31 and 164,749.21 is: 227,410.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,559.83 : 394,171.31 = 164,749.21 : x
  2. Step 2: Convert to fraction form
    285,559.83/394,171.31 = 164,749.21/x
  3. Step 3: Cross multiply
    285,559.83x = 394,171.31 × 164,749.21
  4. Step 4: Simplify right side
    285,559.83x = 64,939,411,353.61
  5. Step 5: Solve for x
    x = 64,939,411,353.61/285,559.83
  6. Step 6: Final answer
    x = 227,410.88

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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.