Finding the Fourth Proportional to 129,330.48, 193,995.60 and 35,836.08
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Solution
The fourth proportional to 129,330.48, 193,995.60 and 35,836.08 is: 53,754.09
Step by Step Solution
- Step 1: Write the proportion equation
129,330.48 : 193,995.60 = 35,836.08 : x - Step 2: Convert to fraction form
129,330.48/193,995.60 = 35,836.08/x - Step 3: Cross multiply
129,330.48x = 193,995.60 × 35,836.08 - Step 4: Simplify right side
129,330.48x = 6,952,041,841.25 - Step 5: Solve for x
x = 6,952,041,841.25/129,330.48 - Step 6: Final answer
x = 53,754.09
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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.