Finding the Fourth Proportional to 205,593.44, 308,163.44 and 134,486.56
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Solution
The fourth proportional to 205,593.44, 308,163.44 and 134,486.56 is: 201,581.53
Step by Step Solution
- Step 1: Write the proportion equation
205,593.44 : 308,163.44 = 134,486.56 : x - Step 2: Convert to fraction form
205,593.44/308,163.44 = 134,486.56/x - Step 3: Cross multiply
205,593.44x = 308,163.44 × 134,486.56 - Step 4: Simplify right side
205,593.44x = 41,443,840,963.37 - Step 5: Solve for x
x = 41,443,840,963.37/205,593.44 - Step 6: Final answer
x = 201,581.53
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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.