Finding the Fourth Proportional to 331,006.65, 496,121.17 and 153,137.94
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Solution
The fourth proportional to 331,006.65, 496,121.17 and 153,137.94 is: 229,527.03
Step by Step Solution
- Step 1: Write the proportion equation
331,006.65 : 496,121.17 = 153,137.94 : x - Step 2: Convert to fraction form
331,006.65/496,121.17 = 153,137.94/x - Step 3: Cross multiply
331,006.65x = 496,121.17 × 153,137.94 - Step 4: Simplify right side
331,006.65x = 75,974,973,964.19 - Step 5: Solve for x
x = 75,974,973,964.19/331,006.65 - Step 6: Final answer
x = 229,527.03
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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.