Finding the Fourth Proportional to 190,902.16, 263,727.93 and 125,644.87
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Solution
The fourth proportional to 190,902.16, 263,727.93 and 125,644.87 is: 173,576.15
Step by Step Solution
- Step 1: Write the proportion equation
190,902.16 : 263,727.93 = 125,644.87 : x - Step 2: Convert to fraction form
190,902.16/263,727.93 = 125,644.87/x - Step 3: Cross multiply
190,902.16x = 263,727.93 × 125,644.87 - Step 4: Simplify right side
190,902.16x = 33,136,061,480.22 - Step 5: Solve for x
x = 33,136,061,480.22/190,902.16 - Step 6: Final answer
x = 173,576.15
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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.