Home / 285,305.45-394,131.62-227,869.36

Finding the Fourth Proportional to 285,305.45, 394,131.62 and 227,869.36

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Solution

The fourth proportional to 285,305.45, 394,131.62 and 227,869.36 is: 314,787.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,305.45 : 394,131.62 = 227,869.36 : x
  2. Step 2: Convert to fraction form
    285,305.45/394,131.62 = 227,869.36/x
  3. Step 3: Cross multiply
    285,305.45x = 394,131.62 × 227,869.36
  4. Step 4: Simplify right side
    285,305.45x = 89,810,518,307.74
  5. Step 5: Solve for x
    x = 89,810,518,307.74/285,305.45
  6. Step 6: Final answer
    x = 314,787.26

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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.