Finding the Fourth Proportional to 215,376.44, 297,184.02 and 119,880.68
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Solution
The fourth proportional to 215,376.44, 297,184.02 and 119,880.68 is: 165,415.60
Step by Step Solution
- Step 1: Write the proportion equation
215,376.44 : 297,184.02 = 119,880.68 : x - Step 2: Convert to fraction form
215,376.44/297,184.02 = 119,880.68/x - Step 3: Cross multiply
215,376.44x = 297,184.02 × 119,880.68 - Step 4: Simplify right side
215,376.44x = 35,626,622,402.73 - Step 5: Solve for x
x = 35,626,622,402.73/215,376.44 - Step 6: Final answer
x = 165,415.60
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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.