Finding the Fourth Proportional to 217,717.74, 300,450.26 and 122,224.61
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Solution
The fourth proportional to 217,717.74, 300,450.26 and 122,224.61 is: 168,669.84
Step by Step Solution
- Step 1: Write the proportion equation
217,717.74 : 300,450.26 = 122,224.61 : x - Step 2: Convert to fraction form
217,717.74/300,450.26 = 122,224.61/x - Step 3: Cross multiply
217,717.74x = 300,450.26 × 122,224.61 - Step 4: Simplify right side
217,717.74x = 36,722,416,909.59 - Step 5: Solve for x
x = 36,722,416,909.59/217,717.74 - Step 6: Final answer
x = 168,669.84
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1.5x scale
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.