Finding the Fourth Proportional to 356,458.26, 534,694.26 and 131,702.70
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Solution
The fourth proportional to 356,458.26, 534,694.26 and 131,702.70 is: 197,556.59
Step by Step Solution
- Step 1: Write the proportion equation
356,458.26 : 534,694.26 = 131,702.70 : x - Step 2: Convert to fraction form
356,458.26/534,694.26 = 131,702.70/x - Step 3: Cross multiply
356,458.26x = 534,694.26 × 131,702.70 - Step 4: Simplify right side
356,458.26x = 70,420,677,716.50 - Step 5: Solve for x
x = 70,420,677,716.50/356,458.26 - Step 6: Final answer
x = 197,556.59
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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.