Finding the Fourth Proportional to 204,059.60, 281,588.64 and 113,409.68
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Solution
The fourth proportional to 204,059.60, 281,588.64 and 113,409.68 is: 156,497.80
Step by Step Solution
- Step 1: Write the proportion equation
204,059.60 : 281,588.64 = 113,409.68 : x - Step 2: Convert to fraction form
204,059.60/281,588.64 = 113,409.68/x - Step 3: Cross multiply
204,059.60x = 281,588.64 × 113,409.68 - Step 4: Simplify right side
204,059.60x = 31,934,877,554.04 - Step 5: Solve for x
x = 31,934,877,554.04/204,059.60 - Step 6: Final answer
x = 156,497.80
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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.