Finding the Fourth Proportional to 99,805.93, 149,711.63 and 33,243.68
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Solution
The fourth proportional to 99,805.93, 149,711.63 and 33,243.68 is: 49,866.43
Step by Step Solution
- Step 1: Write the proportion equation
99,805.93 : 149,711.63 = 33,243.68 : x - Step 2: Convert to fraction form
99,805.93/149,711.63 = 33,243.68/x - Step 3: Cross multiply
99,805.93x = 149,711.63 × 33,243.68 - Step 4: Simplify right side
99,805.93x = 4,976,965,728.06 - Step 5: Solve for x
x = 4,976,965,728.06/99,805.93 - Step 6: Final answer
x = 49,866.43
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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.