Home / 285,918.30-394,559.64-165,055.50

Finding the Fourth Proportional to 285,918.30, 394,559.64 and 165,055.50

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Solution

The fourth proportional to 285,918.30, 394,559.64 and 165,055.50 is: 227,772.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,918.30 : 394,559.64 = 165,055.50 : x
  2. Step 2: Convert to fraction form
    285,918.30/394,559.64 = 165,055.50/x
  3. Step 3: Cross multiply
    285,918.30x = 394,559.64 × 165,055.50
  4. Step 4: Simplify right side
    285,918.30x = 65,124,238,660.02
  5. Step 5: Solve for x
    x = 65,124,238,660.02/285,918.30
  6. Step 6: Final answer
    x = 227,772.19

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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.