Finding the Fourth Proportional to 305,888.93, 422,194.19 and 169,969.58
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Solution
The fourth proportional to 305,888.93, 422,194.19 and 169,969.58 is: 234,595.50
Step by Step Solution
- Step 1: Write the proportion equation
305,888.93 : 422,194.19 = 169,969.58 : x - Step 2: Convert to fraction form
305,888.93/422,194.19 = 169,969.58/x - Step 3: Cross multiply
305,888.93x = 422,194.19 × 169,969.58 - Step 4: Simplify right side
305,888.93x = 71,760,166,191.92 - Step 5: Solve for x
x = 71,760,166,191.92/305,888.93 - Step 6: Final answer
x = 234,595.50
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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.