Finding the Fourth Proportional to 756,760.12, 1,135,107.37 and 188,129.32
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Solution
The fourth proportional to 756,760.12, 1,135,107.37 and 188,129.32 is: 282,185.82
Step by Step Solution
- Step 1: Write the proportion equation
756,760.12 : 1,135,107.37 = 188,129.32 : x - Step 2: Convert to fraction form
756,760.12/1,135,107.37 = 188,129.32/x - Step 3: Cross multiply
756,760.12x = 1,135,107.37 × 188,129.32 - Step 4: Simplify right side
756,760.12x = 213,546,977,645.09 - Step 5: Solve for x
x = 213,546,977,645.09/756,760.12 - Step 6: Final answer
x = 282,185.82
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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.