Finding the Fourth Proportional to 175,715.80, 263,573.70 and 129,059.80
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Solution
The fourth proportional to 175,715.80, 263,573.70 and 129,059.80 is: 193,589.70
Step by Step Solution
- Step 1: Write the proportion equation
175,715.80 : 263,573.70 = 129,059.80 : x - Step 2: Convert to fraction form
175,715.80/263,573.70 = 129,059.80/x - Step 3: Cross multiply
175,715.80x = 263,573.70 × 129,059.80 - Step 4: Simplify right side
175,715.80x = 34,016,769,007.26 - Step 5: Solve for x
x = 34,016,769,007.26/175,715.80 - Step 6: Final answer
x = 193,589.70
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1.5x scale
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.