Finding the Fourth Proportional to 201,121.36, 301,681.88 and 51,361.68
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Solution
The fourth proportional to 201,121.36, 301,681.88 and 51,361.68 is: 77,042.48
Step by Step Solution
- Step 1: Write the proportion equation
201,121.36 : 301,681.88 = 51,361.68 : x - Step 2: Convert to fraction form
201,121.36/301,681.88 = 51,361.68/x - Step 3: Cross multiply
201,121.36x = 301,681.88 × 51,361.68 - Step 4: Simplify right side
201,121.36x = 15,494,888,182.36 - Step 5: Solve for x
x = 15,494,888,182.36/201,121.36 - Step 6: Final answer
x = 77,042.48
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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.