Finding the Fourth Proportional to 290,341.20, 434,928.60 and 201,694.80
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Solution
The fourth proportional to 290,341.20, 434,928.60 and 201,694.80 is: 302,137.06
Step by Step Solution
- Step 1: Write the proportion equation
290,341.20 : 434,928.60 = 201,694.80 : x - Step 2: Convert to fraction form
290,341.20/434,928.60 = 201,694.80/x - Step 3: Cross multiply
290,341.20x = 434,928.60 × 201,694.80 - Step 4: Simplify right side
290,341.20x = 87,722,836,991.28 - Step 5: Solve for x
x = 87,722,836,991.28/290,341.20 - Step 6: Final answer
x = 302,137.06
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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.