Finding the Fourth Proportional to 150,330.20, 207,447.62 and 82,343.66
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Solution
The fourth proportional to 150,330.20, 207,447.62 and 82,343.66 is: 113,629.84
Step by Step Solution
- Step 1: Write the proportion equation
150,330.20 : 207,447.62 = 82,343.66 : x - Step 2: Convert to fraction form
150,330.20/207,447.62 = 82,343.66/x - Step 3: Cross multiply
150,330.20x = 207,447.62 × 82,343.66 - Step 4: Simplify right side
150,330.20x = 17,081,996,289.09 - Step 5: Solve for x
x = 17,081,996,289.09/150,330.20 - Step 6: Final answer
x = 113,629.84
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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.