Finding the Fourth Proportional to 150,146.61, 207,199.12 and 82,163.31
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Solution
The fourth proportional to 150,146.61, 207,199.12 and 82,163.31 is: 113,383.62
Step by Step Solution
- Step 1: Write the proportion equation
150,146.61 : 207,199.12 = 82,163.31 : x - Step 2: Convert to fraction form
150,146.61/207,199.12 = 82,163.31/x - Step 3: Cross multiply
150,146.61x = 207,199.12 × 82,163.31 - Step 4: Simplify right side
150,146.61x = 17,024,165,528.29 - Step 5: Solve for x
x = 17,024,165,528.29/150,146.61 - Step 6: Final answer
x = 113,383.62
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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.