Finding the Fourth Proportional to 217,735.07, 326,518.63 and 84,597.80
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Solution
The fourth proportional to 217,735.07, 326,518.63 and 84,597.80 is: 126,864.07
Step by Step Solution
- Step 1: Write the proportion equation
217,735.07 : 326,518.63 = 84,597.80 : x - Step 2: Convert to fraction form
217,735.07/326,518.63 = 84,597.80/x - Step 3: Cross multiply
217,735.07x = 326,518.63 × 84,597.80 - Step 4: Simplify right side
217,735.07x = 27,622,755,912.93 - Step 5: Solve for x
x = 27,622,755,912.93/217,735.07 - Step 6: Final answer
x = 126,864.07
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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.