Finding the Fourth Proportional to 150,146.11, 207,201.61 and 82,163.09
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Solution
The fourth proportional to 150,146.11, 207,201.61 and 82,163.09 is: 113,385.06
Step by Step Solution
- Step 1: Write the proportion equation
150,146.11 : 207,201.61 = 82,163.09 : x - Step 2: Convert to fraction form
150,146.11/207,201.61 = 82,163.09/x - Step 3: Cross multiply
150,146.11x = 207,201.61 × 82,163.09 - Step 4: Simplify right side
150,146.11x = 17,024,325,151.28 - Step 5: Solve for x
x = 17,024,325,151.28/150,146.11 - Step 6: Final answer
x = 113,385.06
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1.5x scale
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.