Finding the Fourth Proportional to 281,130.36, 421,945.02 and 131,452.08
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Solution
The fourth proportional to 281,130.36, 421,945.02 and 131,452.08 is: 197,294.77
Step by Step Solution
- Step 1: Write the proportion equation
281,130.36 : 421,945.02 = 131,452.08 : x - Step 2: Convert to fraction form
281,130.36/421,945.02 = 131,452.08/x - Step 3: Cross multiply
281,130.36x = 421,945.02 × 131,452.08 - Step 4: Simplify right side
281,130.36x = 55,465,550,524.64 - Step 5: Solve for x
x = 55,465,550,524.64/281,130.36 - Step 6: Final answer
x = 197,294.77
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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.