Finding the Fourth Proportional to 222,301.26, 306,775.74 and 121,699.26
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Solution
The fourth proportional to 222,301.26, 306,775.74 and 121,699.26 is: 167,944.98
Step by Step Solution
- Step 1: Write the proportion equation
222,301.26 : 306,775.74 = 121,699.26 : x - Step 2: Convert to fraction form
222,301.26/306,775.74 = 121,699.26/x - Step 3: Cross multiply
222,301.26x = 306,775.74 × 121,699.26 - Step 4: Simplify right side
222,301.26x = 37,334,380,543.95 - Step 5: Solve for x
x = 37,334,380,543.95/222,301.26 - Step 6: Final answer
x = 167,944.98
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1.5x scale
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.