Finding the Fourth Proportional to 217,137.87, 325,626.84 and 74,946.96
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Solution
The fourth proportional to 217,137.87, 325,626.84 and 74,946.96 is: 112,392.84
Step by Step Solution
- Step 1: Write the proportion equation
217,137.87 : 325,626.84 = 74,946.96 : x - Step 2: Convert to fraction form
217,137.87/325,626.84 = 74,946.96/x - Step 3: Cross multiply
217,137.87x = 325,626.84 × 74,946.96 - Step 4: Simplify right side
217,137.87x = 24,404,741,752.41 - Step 5: Solve for x
x = 24,404,741,752.41/217,137.87 - Step 6: Final answer
x = 112,392.84
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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.