Finding the Fourth Proportional to 123,388.24, 170,276.16 and 66,799.84
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Solution
The fourth proportional to 123,388.24, 170,276.16 and 66,799.84 is: 92,183.99
Step by Step Solution
- Step 1: Write the proportion equation
123,388.24 : 170,276.16 = 66,799.84 : x - Step 2: Convert to fraction form
123,388.24/170,276.16 = 66,799.84/x - Step 3: Cross multiply
123,388.24x = 170,276.16 × 66,799.84 - Step 4: Simplify right side
123,388.24x = 11,374,420,243.81 - Step 5: Solve for x
x = 11,374,420,243.81/123,388.24 - Step 6: Final answer
x = 92,183.99
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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.