Home / 211,866.14-317,799.77-51,942.80

Finding the Fourth Proportional to 211,866.14, 317,799.77 and 51,942.80

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Solution

The fourth proportional to 211,866.14, 317,799.77 and 51,942.80 is: 77,914.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,866.14 : 317,799.77 = 51,942.80 : x
  2. Step 2: Convert to fraction form
    211,866.14/317,799.77 = 51,942.80/x
  3. Step 3: Cross multiply
    211,866.14x = 317,799.77 × 51,942.80
  4. Step 4: Simplify right side
    211,866.14x = 16,507,408,044.44
  5. Step 5: Solve for x
    x = 16,507,408,044.44/211,866.14
  6. Step 6: Final answer
    x = 77,914.33

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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.