Finding the Fourth Proportional to 305,193.06, 421,167.33 and 169,236.59
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Solution
The fourth proportional to 305,193.06, 421,167.33 and 169,236.59 is: 233,546.99
Step by Step Solution
- Step 1: Write the proportion equation
305,193.06 : 421,167.33 = 169,236.59 : x - Step 2: Convert to fraction form
305,193.06/421,167.33 = 169,236.59/x - Step 3: Cross multiply
305,193.06x = 421,167.33 × 169,236.59 - Step 4: Simplify right side
305,193.06x = 71,276,920,642.77 - Step 5: Solve for x
x = 71,276,920,642.77/305,193.06 - Step 6: Final answer
x = 233,546.99
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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.