Finding the Fourth Proportional to 819,696.49, 1,229,626.76 and 251,071.02
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Solution
The fourth proportional to 819,696.49, 1,229,626.76 and 251,071.02 is: 376,631.65
Step by Step Solution
- Step 1: Write the proportion equation
819,696.49 : 1,229,626.76 = 251,071.02 : x - Step 2: Convert to fraction form
819,696.49/1,229,626.76 = 251,071.02/x - Step 3: Cross multiply
819,696.49x = 1,229,626.76 × 251,071.02 - Step 4: Simplify right side
819,696.49x = 308,723,643,597.14 - Step 5: Solve for x
x = 308,723,643,597.14/819,696.49 - Step 6: Final answer
x = 376,631.65
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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.