Home / 451,948.41-677,927.88-136,418.58

Finding the Fourth Proportional to 451,948.41, 677,927.88 and 136,418.58

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Solution

The fourth proportional to 451,948.41, 677,927.88 and 136,418.58 is: 204,629.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,948.41 : 677,927.88 = 136,418.58 : x
  2. Step 2: Convert to fraction form
    451,948.41/677,927.88 = 136,418.58/x
  3. Step 3: Cross multiply
    451,948.41x = 677,927.88 × 136,418.58
  4. Step 4: Simplify right side
    451,948.41x = 92,481,958,732.01
  5. Step 5: Solve for x
    x = 92,481,958,732.01/451,948.41
  6. Step 6: Final answer
    x = 204,629.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.