Finding the Fourth Proportional to 150,025.68, 207,034.92 and 82,957.68
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Solution
The fourth proportional to 150,025.68, 207,034.92 and 82,957.68 is: 114,481.31
Step by Step Solution
- Step 1: Write the proportion equation
150,025.68 : 207,034.92 = 82,957.68 : x - Step 2: Convert to fraction form
150,025.68/207,034.92 = 82,957.68/x - Step 3: Cross multiply
150,025.68x = 207,034.92 × 82,957.68 - Step 4: Simplify right side
150,025.68x = 17,175,136,642.19 - Step 5: Solve for x
x = 17,175,136,642.19/150,025.68 - Step 6: Final answer
x = 114,481.31
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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.