Finding the Fourth Proportional to 511,696.44, 706,107.78 and 282,239.91
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Solution
The fourth proportional to 511,696.44, 706,107.78 and 282,239.91 is: 389,472.70
Step by Step Solution
- Step 1: Write the proportion equation
511,696.44 : 706,107.78 = 282,239.91 : x - Step 2: Convert to fraction form
511,696.44/706,107.78 = 282,239.91/x - Step 3: Cross multiply
511,696.44x = 706,107.78 × 282,239.91 - Step 4: Simplify right side
511,696.44x = 199,291,796,277.50 - Step 5: Solve for x
x = 199,291,796,277.50/511,696.44 - Step 6: Final answer
x = 389,472.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.