Finding the Fourth Proportional to 783,687.23, 1,175,530.84 and 192,711.23
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Solution
The fourth proportional to 783,687.23, 1,175,530.84 and 192,711.23 is: 289,066.84
Step by Step Solution
- Step 1: Write the proportion equation
783,687.23 : 1,175,530.84 = 192,711.23 : x - Step 2: Convert to fraction form
783,687.23/1,175,530.84 = 192,711.23/x - Step 3: Cross multiply
783,687.23x = 1,175,530.84 × 192,711.23 - Step 4: Simplify right side
783,687.23x = 226,537,988,201.68 - Step 5: Solve for x
x = 226,537,988,201.68/783,687.23 - Step 6: Final answer
x = 289,066.84
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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.