Finding the Fourth Proportional to 198,347.91, 297,743.82 and 131,918.19
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Solution
The fourth proportional to 198,347.91, 297,743.82 and 131,918.19 is: 198,024.90
Step by Step Solution
- Step 1: Write the proportion equation
198,347.91 : 297,743.82 = 131,918.19 : x - Step 2: Convert to fraction form
198,347.91/297,743.82 = 131,918.19/x - Step 3: Cross multiply
198,347.91x = 297,743.82 × 131,918.19 - Step 4: Simplify right side
198,347.91x = 39,277,825,818.09 - Step 5: Solve for x
x = 39,277,825,818.09/198,347.91 - Step 6: Final answer
x = 198,024.90
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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.