Finding the Fourth Proportional to 299,093.96, 448,725.68 and 121,728.26
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Solution
The fourth proportional to 299,093.96, 448,725.68 and 121,728.26 is: 182,626.87
Step by Step Solution
- Step 1: Write the proportion equation
299,093.96 : 448,725.68 = 121,728.26 : x - Step 2: Convert to fraction form
299,093.96/448,725.68 = 121,728.26/x - Step 3: Cross multiply
299,093.96x = 448,725.68 × 121,728.26 - Step 4: Simplify right side
299,093.96x = 54,622,593,391.45 - Step 5: Solve for x
x = 54,622,593,391.45/299,093.96 - Step 6: Final answer
x = 182,626.87
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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.