Finding the Fourth Proportional to 173,379.80, 260,069.70 and 161,715.80
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Solution
The fourth proportional to 173,379.80, 260,069.70 and 161,715.80 is: 242,573.70
Step by Step Solution
- Step 1: Write the proportion equation
173,379.80 : 260,069.70 = 161,715.80 : x - Step 2: Convert to fraction form
173,379.80/260,069.70 = 161,715.80/x - Step 3: Cross multiply
173,379.80x = 260,069.70 × 161,715.80 - Step 4: Simplify right side
173,379.80x = 42,057,379,591.26 - Step 5: Solve for x
x = 42,057,379,591.26/173,379.80 - Step 6: Final answer
x = 242,573.70
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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.