Finding the Fourth Proportional to 163,661.75, 225,806.63 and 98,223.99
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Solution
The fourth proportional to 163,661.75, 225,806.63 and 98,223.99 is: 135,521.15
Step by Step Solution
- Step 1: Write the proportion equation
163,661.75 : 225,806.63 = 98,223.99 : x - Step 2: Convert to fraction form
163,661.75/225,806.63 = 98,223.99/x - Step 3: Cross multiply
163,661.75x = 225,806.63 × 98,223.99 - Step 4: Simplify right side
163,661.75x = 22,179,627,675.93 - Step 5: Solve for x
x = 22,179,627,675.93/163,661.75 - Step 6: Final answer
x = 135,521.15
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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.