Finding the Fourth Proportional to 354,527.97, 531,791.66 and 129,905.98
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Solution
The fourth proportional to 354,527.97, 531,791.66 and 129,905.98 is: 194,858.86
Step by Step Solution
- Step 1: Write the proportion equation
354,527.97 : 531,791.66 = 129,905.98 : x - Step 2: Convert to fraction form
354,527.97/531,791.66 = 129,905.98/x - Step 3: Cross multiply
354,527.97x = 531,791.66 × 129,905.98 - Step 4: Simplify right side
354,527.97x = 69,082,915,743.41 - Step 5: Solve for x
x = 69,082,915,743.41/354,527.97 - Step 6: Final answer
x = 194,858.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.