Finding the Fourth Proportional to 306,504.92, 422,986.79 and 191,746.88
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Solution
The fourth proportional to 306,504.92, 422,986.79 and 191,746.88 is: 264,616.94
Step by Step Solution
- Step 1: Write the proportion equation
306,504.92 : 422,986.79 = 191,746.88 : x - Step 2: Convert to fraction form
306,504.92/422,986.79 = 191,746.88/x - Step 3: Cross multiply
306,504.92x = 422,986.79 × 191,746.88 - Step 4: Simplify right side
306,504.92x = 81,106,394,190.05 - Step 5: Solve for x
x = 81,106,394,190.05/306,504.92 - Step 6: Final answer
x = 264,616.94
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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.