Finding the Fourth Proportional to 146,367.23, 201,981.60 and 82,703.66
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Solution
The fourth proportional to 146,367.23, 201,981.60 and 82,703.66 is: 114,128.12
Step by Step Solution
- Step 1: Write the proportion equation
146,367.23 : 201,981.60 = 82,703.66 : x - Step 2: Convert to fraction form
146,367.23/201,981.60 = 82,703.66/x - Step 3: Cross multiply
146,367.23x = 201,981.60 × 82,703.66 - Step 4: Simplify right side
146,367.23x = 16,704,616,562.75 - Step 5: Solve for x
x = 16,704,616,562.75/146,367.23 - Step 6: Final answer
x = 114,128.12
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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.