Finding the Fourth Proportional to 306,512.82, 459,540.16 and 211,471.80
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Solution
The fourth proportional to 306,512.82, 459,540.16 and 211,471.80 is: 317,049.66
Step by Step Solution
- Step 1: Write the proportion equation
306,512.82 : 459,540.16 = 211,471.80 : x - Step 2: Convert to fraction form
306,512.82/459,540.16 = 211,471.80/x - Step 3: Cross multiply
306,512.82x = 459,540.16 × 211,471.80 - Step 4: Simplify right side
306,512.82x = 97,179,786,329.98 - Step 5: Solve for x
x = 97,179,786,329.98/306,512.82 - Step 6: Final answer
x = 317,049.66
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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.