Finding the Fourth Proportional to 207,204.06, 285,914.70 and 116,556.96
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Solution
The fourth proportional to 207,204.06, 285,914.70 and 116,556.96 is: 160,833.47
Step by Step Solution
- Step 1: Write the proportion equation
207,204.06 : 285,914.70 = 116,556.96 : x - Step 2: Convert to fraction form
207,204.06/285,914.70 = 116,556.96/x - Step 3: Cross multiply
207,204.06x = 285,914.70 × 116,556.96 - Step 4: Simplify right side
207,204.06x = 33,325,348,251.31 - Step 5: Solve for x
x = 33,325,348,251.31/207,204.06 - Step 6: Final answer
x = 160,833.47
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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.