Finding the Fourth Proportional to 308,627.26, 462,691.76 and 283,715.98
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Solution
The fourth proportional to 308,627.26, 462,691.76 and 283,715.98 is: 425,344.95
Step by Step Solution
- Step 1: Write the proportion equation
308,627.26 : 462,691.76 = 283,715.98 : x - Step 2: Convert to fraction form
308,627.26/462,691.76 = 283,715.98/x - Step 3: Cross multiply
308,627.26x = 462,691.76 × 283,715.98 - Step 4: Simplify right side
308,627.26x = 131,273,046,126.33 - Step 5: Solve for x
x = 131,273,046,126.33/308,627.26 - Step 6: Final answer
x = 425,344.95
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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.