Finding the Fourth Proportional to 202,378.47, 303,558.69 and 69,270.63
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Solution
The fourth proportional to 202,378.47, 303,558.69 and 69,270.63 is: 103,902.86
Step by Step Solution
- Step 1: Write the proportion equation
202,378.47 : 303,558.69 = 69,270.63 : x - Step 2: Convert to fraction form
202,378.47/303,558.69 = 69,270.63/x - Step 3: Cross multiply
202,378.47x = 303,558.69 × 69,270.63 - Step 4: Simplify right side
202,378.47x = 21,027,701,351.92 - Step 5: Solve for x
x = 21,027,701,351.92/202,378.47 - Step 6: Final answer
x = 103,902.86
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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.