Finding the Fourth Proportional to 135,839.70, 203,749.93 and 35,997.69
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Solution
The fourth proportional to 135,839.70, 203,749.93 and 35,997.69 is: 53,993.99
Step by Step Solution
- Step 1: Write the proportion equation
135,839.70 : 203,749.93 = 35,997.69 : x - Step 2: Convert to fraction form
135,839.70/203,749.93 = 35,997.69/x - Step 3: Cross multiply
135,839.70x = 203,749.93 × 35,997.69 - Step 4: Simplify right side
135,839.70x = 7,334,526,817.66 - Step 5: Solve for x
x = 7,334,526,817.66/135,839.70 - Step 6: Final answer
x = 53,993.99
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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.