Finding the Fourth Proportional to 202,206.40, 303,163.80 and 132,125.20
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Solution
The fourth proportional to 202,206.40, 303,163.80 and 132,125.20 is: 198,092.53
Step by Step Solution
- Step 1: Write the proportion equation
202,206.40 : 303,163.80 = 132,125.20 : x - Step 2: Convert to fraction form
202,206.40/303,163.80 = 132,125.20/x - Step 3: Cross multiply
202,206.40x = 303,163.80 × 132,125.20 - Step 4: Simplify right side
202,206.40x = 40,055,577,707.76 - Step 5: Solve for x
x = 40,055,577,707.76/202,206.40 - Step 6: Final answer
x = 198,092.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.