Finding the Fourth Proportional to 407,770.26, 562,722.96 and 228,922.26
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Solution
The fourth proportional to 407,770.26, 562,722.96 and 228,922.26 is: 315,912.72
Step by Step Solution
- Step 1: Write the proportion equation
407,770.26 : 562,722.96 = 228,922.26 : x - Step 2: Convert to fraction form
407,770.26/562,722.96 = 228,922.26/x - Step 3: Cross multiply
407,770.26x = 562,722.96 × 228,922.26 - Step 4: Simplify right side
407,770.26x = 128,819,811,757.09 - Step 5: Solve for x
x = 128,819,811,757.09/407,770.26 - Step 6: Final answer
x = 315,912.72
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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.