Finding the Fourth Proportional to 198,068.68, 273,333.99 and 107,424.28
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Solution
The fourth proportional to 198,068.68, 273,333.99 and 107,424.28 is: 148,245.08
Step by Step Solution
- Step 1: Write the proportion equation
198,068.68 : 273,333.99 = 107,424.28 : x - Step 2: Convert to fraction form
198,068.68/273,333.99 = 107,424.28/x - Step 3: Cross multiply
198,068.68x = 273,333.99 × 107,424.28 - Step 4: Simplify right side
198,068.68x = 29,362,707,075.28 - Step 5: Solve for x
x = 29,362,707,075.28/198,068.68 - Step 6: Final answer
x = 148,245.08
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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.