Finding the Fourth Proportional to 281,232.48, 421,911.84 and 94,239.12
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Solution
The fourth proportional to 281,232.48, 421,911.84 and 94,239.12 is: 141,379.83
Step by Step Solution
- Step 1: Write the proportion equation
281,232.48 : 421,911.84 = 94,239.12 : x - Step 2: Convert to fraction form
281,232.48/421,911.84 = 94,239.12/x - Step 3: Cross multiply
281,232.48x = 421,911.84 × 94,239.12 - Step 4: Simplify right side
281,232.48x = 39,760,600,519.18 - Step 5: Solve for x
x = 39,760,600,519.18/281,232.48 - Step 6: Final answer
x = 141,379.83
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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.