Finding the Fourth Proportional to 281,022.21, 387,796.41 and 173,601.63
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Solution
The fourth proportional to 281,022.21, 387,796.41 and 173,601.63 is: 239,561.45
Step by Step Solution
- Step 1: Write the proportion equation
281,022.21 : 387,796.41 = 173,601.63 : x - Step 2: Convert to fraction form
281,022.21/387,796.41 = 173,601.63/x - Step 3: Cross multiply
281,022.21x = 387,796.41 × 173,601.63 - Step 4: Simplify right side
281,022.21x = 67,322,088,884.15 - Step 5: Solve for x
x = 67,322,088,884.15/281,022.21 - Step 6: Final answer
x = 239,561.45
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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.