Finding the Fourth Proportional to 163,205.74, 225,240.11 and 91,586.05
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Solution
The fourth proportional to 163,205.74, 225,240.11 and 91,586.05 is: 126,397.83
Step by Step Solution
- Step 1: Write the proportion equation
163,205.74 : 225,240.11 = 91,586.05 : x - Step 2: Convert to fraction form
163,205.74/225,240.11 = 91,586.05/x - Step 3: Cross multiply
163,205.74x = 225,240.11 × 91,586.05 - Step 4: Simplify right side
163,205.74x = 20,628,851,360.66 - Step 5: Solve for x
x = 20,628,851,360.66/163,205.74 - Step 6: Final answer
x = 126,397.83
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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.