Finding the Fourth Proportional to 216,765.26, 299,236.49 and 126,088.19
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Solution
The fourth proportional to 216,765.26, 299,236.49 and 126,088.19 is: 174,060.12
Step by Step Solution
- Step 1: Write the proportion equation
216,765.26 : 299,236.49 = 126,088.19 : x - Step 2: Convert to fraction form
216,765.26/299,236.49 = 126,088.19/x - Step 3: Cross multiply
216,765.26x = 299,236.49 × 126,088.19 - Step 4: Simplify right side
216,765.26x = 37,730,187,406.05 - Step 5: Solve for x
x = 37,730,187,406.05/216,765.26 - Step 6: Final answer
x = 174,060.12
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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.