Finding the Fourth Proportional to 290,755.77, 436,133.75 and 119,974.99
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Solution
The fourth proportional to 290,755.77, 436,133.75 and 119,974.99 is: 179,962.52
Step by Step Solution
- Step 1: Write the proportion equation
290,755.77 : 436,133.75 = 119,974.99 : x - Step 2: Convert to fraction form
290,755.77/436,133.75 = 119,974.99/x - Step 3: Cross multiply
290,755.77x = 436,133.75 × 119,974.99 - Step 4: Simplify right side
290,755.77x = 52,325,142,294.91 - Step 5: Solve for x
x = 52,325,142,294.91/290,755.77 - Step 6: Final answer
x = 179,962.52
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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.