Finding the Fourth Proportional to 203,873.10, 281,328.41 and 117,837.65
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Solution
The fourth proportional to 203,873.10, 281,328.41 and 117,837.65 is: 162,606.43
Step by Step Solution
- Step 1: Write the proportion equation
203,873.10 : 281,328.41 = 117,837.65 : x - Step 2: Convert to fraction form
203,873.10/281,328.41 = 117,837.65/x - Step 3: Cross multiply
203,873.10x = 281,328.41 × 117,837.65 - Step 4: Simplify right side
203,873.10x = 33,151,076,716.81 - Step 5: Solve for x
x = 33,151,076,716.81/203,873.10 - Step 6: Final answer
x = 162,606.43
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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.