Finding the Fourth Proportional to 302,197.80, 453,296.70 and 269,538.60
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Solution
The fourth proportional to 302,197.80, 453,296.70 and 269,538.60 is: 404,307.90
Step by Step Solution
- Step 1: Write the proportion equation
302,197.80 : 453,296.70 = 269,538.60 : x - Step 2: Convert to fraction form
302,197.80/453,296.70 = 269,538.60/x - Step 3: Cross multiply
302,197.80x = 453,296.70 × 269,538.60 - Step 4: Simplify right side
302,197.80x = 122,180,957,902.62 - Step 5: Solve for x
x = 122,180,957,902.62/302,197.80 - Step 6: Final answer
x = 404,307.90
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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.