Finding the Fourth Proportional to 202,322.80, 303,829.80 and 132,511.60
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Solution
The fourth proportional to 202,322.80, 303,829.80 and 132,511.60 is: 198,993.75
Step by Step Solution
- Step 1: Write the proportion equation
202,322.80 : 303,829.80 = 132,511.60 : x - Step 2: Convert to fraction form
202,322.80/303,829.80 = 132,511.60/x - Step 3: Cross multiply
202,322.80x = 303,829.80 × 132,511.60 - Step 4: Simplify right side
202,322.80x = 40,260,972,925.68 - Step 5: Solve for x
x = 40,260,972,925.68/202,322.80 - Step 6: Final answer
x = 198,993.75
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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.