Finding the Fourth Proportional to 207,087.15, 310,175.41 and 171,141.07
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Solution
The fourth proportional to 207,087.15, 310,175.41 and 171,141.07 is: 256,335.32
Step by Step Solution
- Step 1: Write the proportion equation
207,087.15 : 310,175.41 = 171,141.07 : x - Step 2: Convert to fraction form
207,087.15/310,175.41 = 171,141.07/x - Step 3: Cross multiply
207,087.15x = 310,175.41 × 171,141.07 - Step 4: Simplify right side
207,087.15x = 53,083,751,555.09 - Step 5: Solve for x
x = 53,083,751,555.09/207,087.15 - Step 6: Final answer
x = 256,335.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.