Finding the Fourth Proportional to 202,295.79, 303,458.31 and 77,636.79
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Solution
The fourth proportional to 202,295.79, 303,458.31 and 77,636.79 is: 116,460.80
Step by Step Solution
- Step 1: Write the proportion equation
202,295.79 : 303,458.31 = 77,636.79 : x - Step 2: Convert to fraction form
202,295.79/303,458.31 = 77,636.79/x - Step 3: Cross multiply
202,295.79x = 303,458.31 × 77,636.79 - Step 4: Simplify right side
202,295.79x = 23,559,529,087.22 - Step 5: Solve for x
x = 23,559,529,087.22/202,295.79 - Step 6: Final answer
x = 116,460.80
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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.