Finding the Fourth Proportional to 222,148.21, 306,556.91 and 126,685.63
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Solution
The fourth proportional to 222,148.21, 306,556.91 and 126,685.63 is: 174,821.82
Step by Step Solution
- Step 1: Write the proportion equation
222,148.21 : 306,556.91 = 126,685.63 : x - Step 2: Convert to fraction form
222,148.21/306,556.91 = 126,685.63/x - Step 3: Cross multiply
222,148.21x = 306,556.91 × 126,685.63 - Step 4: Simplify right side
222,148.21x = 38,836,354,640.78 - Step 5: Solve for x
x = 38,836,354,640.78/222,148.21 - Step 6: Final answer
x = 174,821.82
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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.