Finding the Fourth Proportional to 407,427.22, 562,316.88 and 226,197.28
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Solution
The fourth proportional to 407,427.22, 562,316.88 and 226,197.28 is: 312,189.62
Step by Step Solution
- Step 1: Write the proportion equation
407,427.22 : 562,316.88 = 226,197.28 : x - Step 2: Convert to fraction form
407,427.22/562,316.88 = 226,197.28/x - Step 3: Cross multiply
407,427.22x = 562,316.88 × 226,197.28 - Step 4: Simplify right side
407,427.22x = 127,194,548,754.09 - Step 5: Solve for x
x = 127,194,548,754.09/407,427.22 - Step 6: Final answer
x = 312,189.62
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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.