Finding the Fourth Proportional to 343,868.20, 515,990.58 and 133,514.44
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Solution
The fourth proportional to 343,868.20, 515,990.58 and 133,514.44 is: 200,344.76
Step by Step Solution
- Step 1: Write the proportion equation
343,868.20 : 515,990.58 = 133,514.44 : x - Step 2: Convert to fraction form
343,868.20/515,990.58 = 133,514.44/x - Step 3: Cross multiply
343,868.20x = 515,990.58 × 133,514.44 - Step 4: Simplify right side
343,868.20x = 68,892,193,333.98 - Step 5: Solve for x
x = 68,892,193,333.98/343,868.20 - Step 6: Final answer
x = 200,344.76
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.