Finding the Fourth Proportional to 225,538.36, 338,266.64 and 90,596.99
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Solution
The fourth proportional to 225,538.36, 338,266.64 and 90,596.99 is: 135,879.06
Step by Step Solution
- Step 1: Write the proportion equation
225,538.36 : 338,266.64 = 90,596.99 : x - Step 2: Convert to fraction form
225,538.36/338,266.64 = 90,596.99/x - Step 3: Cross multiply
225,538.36x = 338,266.64 × 90,596.99 - Step 4: Simplify right side
225,538.36x = 30,645,940,473.57 - Step 5: Solve for x
x = 30,645,940,473.57/225,538.36 - Step 6: Final answer
x = 135,879.06
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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.