Home / 756,735.12-1,135,069.88-188,104.23

Finding the Fourth Proportional to 756,735.12, 1,135,069.88 and 188,104.23

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Solution

The fourth proportional to 756,735.12, 1,135,069.88 and 188,104.23 is: 282,148.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,735.12 : 1,135,069.88 = 188,104.23 : x
  2. Step 2: Convert to fraction form
    756,735.12/1,135,069.88 = 188,104.23/x
  3. Step 3: Cross multiply
    756,735.12x = 1,135,069.88 × 188,104.23
  4. Step 4: Simplify right side
    756,735.12x = 213,511,444,833.07
  5. Step 5: Solve for x
    x = 213,511,444,833.07/756,735.12
  6. Step 6: Final answer
    x = 282,148.19

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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.