Finding the Fourth Proportional to 236,336.06, 326,147.61 and 128,906.07
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Solution
The fourth proportional to 236,336.06, 326,147.61 and 128,906.07 is: 177,892.47
Step by Step Solution
- Step 1: Write the proportion equation
236,336.06 : 326,147.61 = 128,906.07 : x - Step 2: Convert to fraction form
236,336.06/326,147.61 = 128,906.07/x - Step 3: Cross multiply
236,336.06x = 326,147.61 × 128,906.07 - Step 4: Simplify right side
236,336.06x = 42,042,405,014.25 - Step 5: Solve for x
x = 42,042,405,014.25/236,336.06 - Step 6: Final answer
x = 177,892.47
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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.