Home / 285,772.14-394,367.40-164,918.52

Finding the Fourth Proportional to 285,772.14, 394,367.40 and 164,918.52

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Solution

The fourth proportional to 285,772.14, 394,367.40 and 164,918.52 is: 227,588.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,772.14 : 394,367.40 = 164,918.52 : x
  2. Step 2: Convert to fraction form
    285,772.14/394,367.40 = 164,918.52/x
  3. Step 3: Cross multiply
    285,772.14x = 394,367.40 × 164,918.52
  4. Step 4: Simplify right side
    285,772.14x = 65,038,487,944.25
  5. Step 5: Solve for x
    x = 65,038,487,944.25/285,772.14
  6. Step 6: Final answer
    x = 227,588.62

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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.