Finding the Fourth Proportional to 311,512.26, 467,307.27 and 121,948.14
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Solution
The fourth proportional to 311,512.26, 467,307.27 and 121,948.14 is: 182,937.43
Step by Step Solution
- Step 1: Write the proportion equation
311,512.26 : 467,307.27 = 121,948.14 : x - Step 2: Convert to fraction form
311,512.26/467,307.27 = 121,948.14/x - Step 3: Cross multiply
311,512.26x = 467,307.27 × 121,948.14 - Step 4: Simplify right side
311,512.26x = 56,987,252,384.98 - Step 5: Solve for x
x = 56,987,252,384.98/311,512.26 - Step 6: Final answer
x = 182,937.43
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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.