Finding the Fourth Proportional to 144,605.97, 216,906.63 and 39,424.94
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Solution
The fourth proportional to 144,605.97, 216,906.63 and 39,424.94 is: 59,136.78
Step by Step Solution
- Step 1: Write the proportion equation
144,605.97 : 216,906.63 = 39,424.94 : x - Step 2: Convert to fraction form
144,605.97/216,906.63 = 39,424.94/x - Step 3: Cross multiply
144,605.97x = 216,906.63 × 39,424.94 - Step 4: Simplify right side
144,605.97x = 8,551,531,092.05 - Step 5: Solve for x
x = 8,551,531,092.05/144,605.97 - Step 6: Final answer
x = 59,136.78
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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.