Finding the Fourth Proportional to 219,471.80, 329,207.70 and 202,364.60
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Solution
The fourth proportional to 219,471.80, 329,207.70 and 202,364.60 is: 303,546.90
Step by Step Solution
- Step 1: Write the proportion equation
219,471.80 : 329,207.70 = 202,364.60 : x - Step 2: Convert to fraction form
219,471.80/329,207.70 = 202,364.60/x - Step 3: Cross multiply
219,471.80x = 329,207.70 × 202,364.60 - Step 4: Simplify right side
219,471.80x = 66,619,984,527.42 - Step 5: Solve for x
x = 66,619,984,527.42/219,471.80 - Step 6: Final answer
x = 303,546.90
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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.