Finding the Fourth Proportional to 122,514.80, 183,793.80 and 43,674.80
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Solution
The fourth proportional to 122,514.80, 183,793.80 and 43,674.80 is: 65,519.90
Step by Step Solution
- Step 1: Write the proportion equation
122,514.80 : 183,793.80 = 43,674.80 : x - Step 2: Convert to fraction form
122,514.80/183,793.80 = 43,674.80/x - Step 3: Cross multiply
122,514.80x = 183,793.80 × 43,674.80 - Step 4: Simplify right side
122,514.80x = 8,027,157,456.24 - Step 5: Solve for x
x = 8,027,157,456.24/122,514.80 - Step 6: Final answer
x = 65,519.90
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1.5x scale
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.