Finding the Fourth Proportional to 202,236.40, 303,391.05 and 83,919.70
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Solution
The fourth proportional to 202,236.40, 303,391.05 and 83,919.70 is: 125,894.68
Step by Step Solution
- Step 1: Write the proportion equation
202,236.40 : 303,391.05 = 83,919.70 : x - Step 2: Convert to fraction form
202,236.40/303,391.05 = 83,919.70/x - Step 3: Cross multiply
202,236.40x = 303,391.05 × 83,919.70 - Step 4: Simplify right side
202,236.40x = 25,460,485,898.69 - Step 5: Solve for x
x = 25,460,485,898.69/202,236.40 - Step 6: Final answer
x = 125,894.68
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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.