Finding the Fourth Proportional to 202,295.75, 303,458.21 and 77,636.75
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Solution
The fourth proportional to 202,295.75, 303,458.21 and 77,636.75 is: 116,460.72
Step by Step Solution
- Step 1: Write the proportion equation
202,295.75 : 303,458.21 = 77,636.75 : x - Step 2: Convert to fraction form
202,295.75/303,458.21 = 77,636.75/x - Step 3: Cross multiply
202,295.75x = 303,458.21 × 77,636.75 - Step 4: Simplify right side
202,295.75x = 23,559,508,797.03 - Step 5: Solve for x
x = 23,559,508,797.03/202,295.75 - Step 6: Final answer
x = 116,460.72
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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.