Finding the Fourth Proportional to 369,076.96, 509,326.21 and 199,311.09
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Solution
The fourth proportional to 369,076.96, 509,326.21 and 199,311.09 is: 275,049.31
Step by Step Solution
- Step 1: Write the proportion equation
369,076.96 : 509,326.21 = 199,311.09 : x - Step 2: Convert to fraction form
369,076.96/509,326.21 = 199,311.09/x - Step 3: Cross multiply
369,076.96x = 509,326.21 × 199,311.09 - Step 4: Simplify right side
369,076.96x = 101,514,362,080.67 - Step 5: Solve for x
x = 101,514,362,080.67/369,076.96 - Step 6: Final answer
x = 275,049.31
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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.