Finding the Fourth Proportional to 281,084.58, 387,910.62 and 166,428.68
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Solution
The fourth proportional to 281,084.58, 387,910.62 and 166,428.68 is: 229,679.80
Step by Step Solution
- Step 1: Write the proportion equation
281,084.58 : 387,910.62 = 166,428.68 : x - Step 2: Convert to fraction form
281,084.58/387,910.62 = 166,428.68/x - Step 3: Cross multiply
281,084.58x = 387,910.62 × 166,428.68 - Step 4: Simplify right side
281,084.58x = 64,559,450,505.03 - Step 5: Solve for x
x = 64,559,450,505.03/281,084.58 - Step 6: Final answer
x = 229,679.80
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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.