Finding the Fourth Proportional to 281,544.88, 388,532.14 and 154,220.98
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Solution
The fourth proportional to 281,544.88, 388,532.14 and 154,220.98 is: 212,825.07
Step by Step Solution
- Step 1: Write the proportion equation
281,544.88 : 388,532.14 = 154,220.98 : x - Step 2: Convert to fraction form
281,544.88/388,532.14 = 154,220.98/x - Step 3: Cross multiply
281,544.88x = 388,532.14 × 154,220.98 - Step 4: Simplify right side
281,544.88x = 59,919,807,392.30 - Step 5: Solve for x
x = 59,919,807,392.30/281,544.88 - Step 6: Final answer
x = 212,825.07
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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.