Finding the Fourth Proportional to 133,188.26, 199,755.36 and 48,919.46
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Solution
The fourth proportional to 133,188.26, 199,755.36 and 48,919.46 is: 73,369.26
Step by Step Solution
- Step 1: Write the proportion equation
133,188.26 : 199,755.36 = 48,919.46 : x - Step 2: Convert to fraction form
133,188.26/199,755.36 = 48,919.46/x - Step 3: Cross multiply
133,188.26x = 199,755.36 × 48,919.46 - Step 4: Simplify right side
133,188.26x = 9,771,924,343.31 - Step 5: Solve for x
x = 9,771,924,343.31/133,188.26 - Step 6: Final answer
x = 73,369.26
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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.