Finding the Fourth Proportional to 199,474.50, 298,043.56 and 192,497.96
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Solution
The fourth proportional to 199,474.50, 298,043.56 and 192,497.96 is: 287,619.61
Step by Step Solution
- Step 1: Write the proportion equation
199,474.50 : 298,043.56 = 192,497.96 : x - Step 2: Convert to fraction form
199,474.50/298,043.56 = 192,497.96/x - Step 3: Cross multiply
199,474.50x = 298,043.56 × 192,497.96 - Step 4: Simplify right side
199,474.50x = 57,372,777,291.14 - Step 5: Solve for x
x = 57,372,777,291.14/199,474.50 - Step 6: Final answer
x = 287,619.61
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.