Finding the Fourth Proportional to 201,770.60, 278,376.77 and 130,198.19
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Solution
The fourth proportional to 201,770.60, 278,376.77 and 130,198.19 is: 179,630.49
Step by Step Solution
- Step 1: Write the proportion equation
201,770.60 : 278,376.77 = 130,198.19 : x - Step 2: Convert to fraction form
201,770.60/278,376.77 = 130,198.19/x - Step 3: Cross multiply
201,770.60x = 278,376.77 × 130,198.19 - Step 4: Simplify right side
201,770.60x = 36,244,150,525.66 - Step 5: Solve for x
x = 36,244,150,525.66/201,770.60 - Step 6: Final answer
x = 179,630.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.