Finding the Fourth Proportional to 281,153.60, 421,924.80 and 202,324.40
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Solution
The fourth proportional to 281,153.60, 421,924.80 and 202,324.40 is: 303,626.49
Step by Step Solution
- Step 1: Write the proportion equation
281,153.60 : 421,924.80 = 202,324.40 : x - Step 2: Convert to fraction form
281,153.60/421,924.80 = 202,324.40/x - Step 3: Cross multiply
281,153.60x = 421,924.80 × 202,324.40 - Step 4: Simplify right side
281,153.60x = 85,365,682,005.12 - Step 5: Solve for x
x = 85,365,682,005.12/281,153.60 - Step 6: Final answer
x = 303,626.49
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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.