Finding the Fourth Proportional to 201,715.20, 302,485.32 and 68,559.70
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Solution
The fourth proportional to 201,715.20, 302,485.32 and 68,559.70 is: 102,809.82
Step by Step Solution
- Step 1: Write the proportion equation
201,715.20 : 302,485.32 = 68,559.70 : x - Step 2: Convert to fraction form
201,715.20/302,485.32 = 68,559.70/x - Step 3: Cross multiply
201,715.20x = 302,485.32 × 68,559.70 - Step 4: Simplify right side
201,715.20x = 20,738,302,793.60 - Step 5: Solve for x
x = 20,738,302,793.60/201,715.20 - Step 6: Final answer
x = 102,809.82
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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.