Finding the Fourth Proportional to 128,891.08, 193,336.26 and 35,396.92
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Solution
The fourth proportional to 128,891.08, 193,336.26 and 35,396.92 is: 53,095.28
Step by Step Solution
- Step 1: Write the proportion equation
128,891.08 : 193,336.26 = 35,396.92 : x - Step 2: Convert to fraction form
128,891.08/193,336.26 = 35,396.92/x - Step 3: Cross multiply
128,891.08x = 193,336.26 × 35,396.92 - Step 4: Simplify right side
128,891.08x = 6,843,508,128.32 - Step 5: Solve for x
x = 6,843,508,128.32/128,891.08 - Step 6: Final answer
x = 53,095.28
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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.