Finding the Fourth Proportional to 208,755.63, 313,501.73 and 155,462.09
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Solution
The fourth proportional to 208,755.63, 313,501.73 and 155,462.09 is: 233,467.39
Step by Step Solution
- Step 1: Write the proportion equation
208,755.63 : 313,501.73 = 155,462.09 : x - Step 2: Convert to fraction form
208,755.63/313,501.73 = 155,462.09/x - Step 3: Cross multiply
208,755.63x = 313,501.73 × 155,462.09 - Step 4: Simplify right side
208,755.63x = 48,737,631,819.60 - Step 5: Solve for x
x = 48,737,631,819.60/208,755.63 - Step 6: Final answer
x = 233,467.39
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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.