Finding the Fourth Proportional to 248,592.40, 343,046.44 and 145,236.18
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Solution
The fourth proportional to 248,592.40, 343,046.44 and 145,236.18 is: 200,419.46
Step by Step Solution
- Step 1: Write the proportion equation
248,592.40 : 343,046.44 = 145,236.18 : x - Step 2: Convert to fraction form
248,592.40/343,046.44 = 145,236.18/x - Step 3: Cross multiply
248,592.40x = 343,046.44 × 145,236.18 - Step 4: Simplify right side
248,592.40x = 49,822,754,508.20 - Step 5: Solve for x
x = 49,822,754,508.20/248,592.40 - Step 6: Final answer
x = 200,419.46
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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.