Finding the Fourth Proportional to 215,378.97, 297,217.84 and 119,883.62
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Solution
The fourth proportional to 215,378.97, 297,217.84 and 119,883.62 is: 165,436.54
Step by Step Solution
- Step 1: Write the proportion equation
215,378.97 : 297,217.84 = 119,883.62 : x - Step 2: Convert to fraction form
215,378.97/297,217.84 = 119,883.62/x - Step 3: Cross multiply
215,378.97x = 297,217.84 × 119,883.62 - Step 4: Simplify right side
215,378.97x = 35,631,550,587.78 - Step 5: Solve for x
x = 35,631,550,587.78/215,378.97 - Step 6: Final answer
x = 165,436.54
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.