Finding the Fourth Proportional to 203,463.20, 305,194.80 and 170,220.80
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Solution
The fourth proportional to 203,463.20, 305,194.80 and 170,220.80 is: 255,331.20
Step by Step Solution
- Step 1: Write the proportion equation
203,463.20 : 305,194.80 = 170,220.80 : x - Step 2: Convert to fraction form
203,463.20/305,194.80 = 170,220.80/x - Step 3: Cross multiply
203,463.20x = 305,194.80 × 170,220.80 - Step 4: Simplify right side
203,463.20x = 51,950,503,011.84 - Step 5: Solve for x
x = 51,950,503,011.84/203,463.20 - Step 6: Final answer
x = 255,331.20
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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.