Finding the Fourth Proportional to 218,057.70, 326,843.55 and 84,893.70
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Solution
The fourth proportional to 218,057.70, 326,843.55 and 84,893.70 is: 127,245.95
Step by Step Solution
- Step 1: Write the proportion equation
218,057.70 : 326,843.55 = 84,893.70 : x - Step 2: Convert to fraction form
218,057.70/326,843.55 = 84,893.70/x - Step 3: Cross multiply
218,057.70x = 326,843.55 × 84,893.70 - Step 4: Simplify right side
218,057.70x = 27,746,958,280.64 - Step 5: Solve for x
x = 27,746,958,280.64/218,057.70 - Step 6: Final answer
x = 127,245.95
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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.