Finding the Fourth Proportional to 201,739.05, 302,521.10 and 68,583.60
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Solution
The fourth proportional to 201,739.05, 302,521.10 and 68,583.60 is: 102,845.66
Step by Step Solution
- Step 1: Write the proportion equation
201,739.05 : 302,521.10 = 68,583.60 : x - Step 2: Convert to fraction form
201,739.05/302,521.10 = 68,583.60/x - Step 3: Cross multiply
201,739.05x = 302,521.10 × 68,583.60 - Step 4: Simplify right side
201,739.05x = 20,747,985,771.04 - Step 5: Solve for x
x = 20,747,985,771.04/201,739.05 - Step 6: Final answer
x = 102,845.66
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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.