Finding the Fourth Proportional to 306,208.94, 422,591.99 and 183,705.92
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Solution
The fourth proportional to 306,208.94, 422,591.99 and 183,705.92 is: 253,528.35
Step by Step Solution
- Step 1: Write the proportion equation
306,208.94 : 422,591.99 = 183,705.92 : x - Step 2: Convert to fraction form
306,208.94/422,591.99 = 183,705.92/x - Step 3: Cross multiply
306,208.94x = 422,591.99 × 183,705.92 - Step 4: Simplify right side
306,208.94x = 77,632,647,276.09 - Step 5: Solve for x
x = 77,632,647,276.09/306,208.94 - Step 6: Final answer
x = 253,528.35
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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.