Finding the Fourth Proportional to 122,514.76, 183,771.62 and 47,687.09
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Solution
The fourth proportional to 122,514.76, 183,771.62 and 47,687.09 is: 71,530.43
Step by Step Solution
- Step 1: Write the proportion equation
122,514.76 : 183,771.62 = 47,687.09 : x - Step 2: Convert to fraction form
122,514.76/183,771.62 = 47,687.09/x - Step 3: Cross multiply
122,514.76x = 183,771.62 × 47,687.09 - Step 4: Simplify right side
122,514.76x = 8,763,532,803.92 - Step 5: Solve for x
x = 8,763,532,803.92/122,514.76 - Step 6: Final answer
x = 71,530.43
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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.