Finding the Fourth Proportional to 119,994.75, 180,021.29 and 36,888.75
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Solution
The fourth proportional to 119,994.75, 180,021.29 and 36,888.75 is: 55,342.09
Step by Step Solution
- Step 1: Write the proportion equation
119,994.75 : 180,021.29 = 36,888.75 : x - Step 2: Convert to fraction form
119,994.75/180,021.29 = 36,888.75/x - Step 3: Cross multiply
119,994.75x = 180,021.29 × 36,888.75 - Step 4: Simplify right side
119,994.75x = 6,640,760,177.04 - Step 5: Solve for x
x = 6,640,760,177.04/119,994.75 - Step 6: Final answer
x = 55,342.09
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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.