Finding the Fourth Proportional to 90,467.63, 135,664.98 and 27,268.19
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Solution
The fourth proportional to 90,467.63, 135,664.98 and 27,268.19 is: 40,891.29
Step by Step Solution
- Step 1: Write the proportion equation
90,467.63 : 135,664.98 = 27,268.19 : x - Step 2: Convert to fraction form
90,467.63/135,664.98 = 27,268.19/x - Step 3: Cross multiply
90,467.63x = 135,664.98 × 27,268.19 - Step 4: Simplify right side
90,467.63x = 3,699,338,450.99 - Step 5: Solve for x
x = 3,699,338,450.99/90,467.63 - Step 6: Final answer
x = 40,891.29
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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.