Finding the Fourth Proportional to 190,393.82, 262,863.11 and 122,528.99
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Solution
The fourth proportional to 190,393.82, 262,863.11 and 122,528.99 is: 169,167.00
Step by Step Solution
- Step 1: Write the proportion equation
190,393.82 : 262,863.11 = 122,528.99 : x - Step 2: Convert to fraction form
190,393.82/262,863.11 = 122,528.99/x - Step 3: Cross multiply
190,393.82x = 262,863.11 × 122,528.99 - Step 4: Simplify right side
190,393.82x = 32,208,350,697.14 - Step 5: Solve for x
x = 32,208,350,697.14/190,393.82 - Step 6: Final answer
x = 169,167.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.