Finding the Fourth Proportional to 103,663.43, 155,396.62 and 40,524.03
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Solution
The fourth proportional to 103,663.43, 155,396.62 and 40,524.03 is: 60,747.53
Step by Step Solution
- Step 1: Write the proportion equation
103,663.43 : 155,396.62 = 40,524.03 : x - Step 2: Convert to fraction form
103,663.43/155,396.62 = 40,524.03/x - Step 3: Cross multiply
103,663.43x = 155,396.62 × 40,524.03 - Step 4: Simplify right side
103,663.43x = 6,297,297,290.78 - Step 5: Solve for x
x = 6,297,297,290.78/103,663.43 - Step 6: Final answer
x = 60,747.53
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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.