Finding the Fourth Proportional to 202,603.75, 303,918.58 and 77,944.75
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Solution
The fourth proportional to 202,603.75, 303,918.58 and 77,944.75 is: 116,922.11
Step by Step Solution
- Step 1: Write the proportion equation
202,603.75 : 303,918.58 = 77,944.75 : x - Step 2: Convert to fraction form
202,603.75/303,918.58 = 77,944.75/x - Step 3: Cross multiply
202,603.75x = 303,918.58 × 77,944.75 - Step 4: Simplify right side
202,603.75x = 23,688,857,738.46 - Step 5: Solve for x
x = 23,688,857,738.46/202,603.75 - Step 6: Final answer
x = 116,922.11
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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.