Finding the Fourth Proportional to 222,197.13, 306,638.87 and 121,597.29
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Solution
The fourth proportional to 222,197.13, 306,638.87 and 121,597.29 is: 167,808.00
Step by Step Solution
- Step 1: Write the proportion equation
222,197.13 : 306,638.87 = 121,597.29 : x - Step 2: Convert to fraction form
222,197.13/306,638.87 = 121,597.29/x - Step 3: Cross multiply
222,197.13x = 306,638.87 × 121,597.29 - Step 4: Simplify right side
222,197.13x = 37,286,454,992.68 - Step 5: Solve for x
x = 37,286,454,992.68/222,197.13 - Step 6: Final answer
x = 167,808.00
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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.