Finding the Fourth Proportional to 201,121.26, 301,681.63 and 51,361.66
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Solution
The fourth proportional to 201,121.26, 301,681.63 and 51,361.66 is: 77,042.42
Step by Step Solution
- Step 1: Write the proportion equation
201,121.26 : 301,681.63 = 51,361.66 : x - Step 2: Convert to fraction form
201,121.26/301,681.63 = 51,361.66/x - Step 3: Cross multiply
201,121.26x = 301,681.63 × 51,361.66 - Step 4: Simplify right side
201,121.26x = 15,494,868,802.80 - Step 5: Solve for x
x = 15,494,868,802.80/201,121.26 - Step 6: Final answer
x = 77,042.42
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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.