Finding the Fourth Proportional to 221,471.42, 332,250.84 and 81,231.26
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Solution
The fourth proportional to 221,471.42, 332,250.84 and 81,231.26 is: 121,862.92
Step by Step Solution
- Step 1: Write the proportion equation
221,471.42 : 332,250.84 = 81,231.26 : x - Step 2: Convert to fraction form
221,471.42/332,250.84 = 81,231.26/x - Step 3: Cross multiply
221,471.42x = 332,250.84 × 81,231.26 - Step 4: Simplify right side
221,471.42x = 26,989,154,369.26 - Step 5: Solve for x
x = 26,989,154,369.26/221,471.42 - Step 6: Final answer
x = 121,862.92
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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.