Finding the Fourth Proportional to 245,173.26, 338,261.32 and 149,632.14
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Solution
The fourth proportional to 245,173.26, 338,261.32 and 149,632.14 is: 206,444.88
Step by Step Solution
- Step 1: Write the proportion equation
245,173.26 : 338,261.32 = 149,632.14 : x - Step 2: Convert to fraction form
245,173.26/338,261.32 = 149,632.14/x - Step 3: Cross multiply
245,173.26x = 338,261.32 × 149,632.14 - Step 4: Simplify right side
245,173.26x = 50,614,765,190.82 - Step 5: Solve for x
x = 50,614,765,190.82/245,173.26 - Step 6: Final answer
x = 206,444.88
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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.