Finding the Fourth Proportional to 268,752.26, 370,893.43 and 154,049.98
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Solution
The fourth proportional to 268,752.26, 370,893.43 and 154,049.98 is: 212,597.75
Step by Step Solution
- Step 1: Write the proportion equation
268,752.26 : 370,893.43 = 154,049.98 : x - Step 2: Convert to fraction form
268,752.26/370,893.43 = 154,049.98/x - Step 3: Cross multiply
268,752.26x = 370,893.43 × 154,049.98 - Step 4: Simplify right side
268,752.26x = 57,136,125,473.63 - Step 5: Solve for x
x = 57,136,125,473.63/268,752.26 - Step 6: Final answer
x = 212,597.75
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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.