Finding the Fourth Proportional to 641,732.93, 885,601.97 and 351,339.68
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Solution
The fourth proportional to 641,732.93, 885,601.97 and 351,339.68 is: 484,854.52
Step by Step Solution
- Step 1: Write the proportion equation
641,732.93 : 885,601.97 = 351,339.68 : x - Step 2: Convert to fraction form
641,732.93/885,601.97 = 351,339.68/x - Step 3: Cross multiply
641,732.93x = 885,601.97 × 351,339.68 - Step 4: Simplify right side
641,732.93x = 311,147,112,747.17 - Step 5: Solve for x
x = 311,147,112,747.17/641,732.93 - Step 6: Final answer
x = 484,854.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.