Finding the Fourth Proportional to 135,911.23, 203,850.99 and 36,079.18
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Solution
The fourth proportional to 135,911.23, 203,850.99 and 36,079.18 is: 54,114.56
Step by Step Solution
- Step 1: Write the proportion equation
135,911.23 : 203,850.99 = 36,079.18 : x - Step 2: Convert to fraction form
135,911.23/203,850.99 = 36,079.18/x - Step 3: Cross multiply
135,911.23x = 203,850.99 × 36,079.18 - Step 4: Simplify right side
135,911.23x = 7,354,776,561.39 - Step 5: Solve for x
x = 7,354,776,561.39/135,911.23 - Step 6: Final answer
x = 54,114.56
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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.