Finding the Fourth Proportional to 268,129.07, 402,193.24 and 68,449.44
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Solution
The fourth proportional to 268,129.07, 402,193.24 and 68,449.44 is: 102,674.07
Step by Step Solution
- Step 1: Write the proportion equation
268,129.07 : 402,193.24 = 68,449.44 : x - Step 2: Convert to fraction form
268,129.07/402,193.24 = 68,449.44/x - Step 3: Cross multiply
268,129.07x = 402,193.24 × 68,449.44 - Step 4: Simplify right side
268,129.07x = 27,529,902,049.79 - Step 5: Solve for x
x = 27,529,902,049.79/268,129.07 - Step 6: Final answer
x = 102,674.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.