Finding the Fourth Proportional to 129,097.64, 193,597.74 and 50,201.96
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Solution
The fourth proportional to 129,097.64, 193,597.74 and 50,201.96 is: 75,283.99
Step by Step Solution
- Step 1: Write the proportion equation
129,097.64 : 193,597.74 = 50,201.96 : x - Step 2: Convert to fraction form
129,097.64/193,597.74 = 50,201.96/x - Step 3: Cross multiply
129,097.64x = 193,597.74 × 50,201.96 - Step 4: Simplify right side
129,097.64x = 9,718,985,999.57 - Step 5: Solve for x
x = 9,718,985,999.57/129,097.64 - Step 6: Final answer
x = 75,283.99
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1.5x scale
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.