Finding the Fourth Proportional to 146,516.36, 202,211.60 and 82,866.78
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Solution
The fourth proportional to 146,516.36, 202,211.60 and 82,866.78 is: 114,366.92
Step by Step Solution
- Step 1: Write the proportion equation
146,516.36 : 202,211.60 = 82,866.78 : x - Step 2: Convert to fraction form
146,516.36/202,211.60 = 82,866.78/x - Step 3: Cross multiply
146,516.36x = 202,211.60 × 82,866.78 - Step 4: Simplify right side
146,516.36x = 16,756,623,756.31 - Step 5: Solve for x
x = 16,756,623,756.31/146,516.36 - Step 6: Final answer
x = 114,366.92
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1.5x scale
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.