Finding the Fourth Proportional to 203,474.70, 305,212.05 and 170,232.30
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Solution
The fourth proportional to 203,474.70, 305,212.05 and 170,232.30 is: 255,348.45
Step by Step Solution
- Step 1: Write the proportion equation
203,474.70 : 305,212.05 = 170,232.30 : x - Step 2: Convert to fraction form
203,474.70/305,212.05 = 170,232.30/x - Step 3: Cross multiply
203,474.70x = 305,212.05 × 170,232.30 - Step 4: Simplify right side
203,474.70x = 51,956,949,259.22 - Step 5: Solve for x
x = 51,956,949,259.22/203,474.70 - Step 6: Final answer
x = 255,348.45
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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.