Finding the Fourth Proportional to 147,367.36, 203,365.44 and 80,299.84
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Solution
The fourth proportional to 147,367.36, 203,365.44 and 80,299.84 is: 110,812.95
Step by Step Solution
- Step 1: Write the proportion equation
147,367.36 : 203,365.44 = 80,299.84 : x - Step 2: Convert to fraction form
147,367.36/203,365.44 = 80,299.84/x - Step 3: Cross multiply
147,367.36x = 203,365.44 × 80,299.84 - Step 4: Simplify right side
147,367.36x = 16,330,212,293.53 - Step 5: Solve for x
x = 16,330,212,293.53/147,367.36 - Step 6: Final answer
x = 110,812.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.