Finding the Fourth Proportional to 217,708.17, 326,686.61 and 84,571.09
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Solution
The fourth proportional to 217,708.17, 326,686.61 and 84,571.09 is: 126,904.94
Step by Step Solution
- Step 1: Write the proportion equation
217,708.17 : 326,686.61 = 84,571.09 : x - Step 2: Convert to fraction form
217,708.17/326,686.61 = 84,571.09/x - Step 3: Cross multiply
217,708.17x = 326,686.61 × 84,571.09 - Step 4: Simplify right side
217,708.17x = 27,628,242,696.10 - Step 5: Solve for x
x = 27,628,242,696.10/217,708.17 - Step 6: Final answer
x = 126,904.94
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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.