Finding the Fourth Proportional to 205,229.62, 307,290.84 and 133,975.80
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Solution
The fourth proportional to 205,229.62, 307,290.84 and 133,975.80 is: 200,602.31
Step by Step Solution
- Step 1: Write the proportion equation
205,229.62 : 307,290.84 = 133,975.80 : x - Step 2: Convert to fraction form
205,229.62/307,290.84 = 133,975.80/x - Step 3: Cross multiply
205,229.62x = 307,290.84 × 133,975.80 - Step 4: Simplify right side
205,229.62x = 41,169,536,121.67 - Step 5: Solve for x
x = 41,169,536,121.67/205,229.62 - Step 6: Final answer
x = 200,602.31
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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.