Finding the Fourth Proportional to 206,644.18, 309,670.26 and 117,714.07
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Solution
The fourth proportional to 206,644.18, 309,670.26 and 117,714.07 is: 176,402.48
Step by Step Solution
- Step 1: Write the proportion equation
206,644.18 : 309,670.26 = 117,714.07 : x - Step 2: Convert to fraction form
206,644.18/309,670.26 = 117,714.07/x - Step 3: Cross multiply
206,644.18x = 309,670.26 × 117,714.07 - Step 4: Simplify right side
206,644.18x = 36,452,546,662.56 - Step 5: Solve for x
x = 36,452,546,662.56/206,644.18 - Step 6: Final answer
x = 176,402.48
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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.