Finding the Fourth Proportional to 641,730.07, 885,597.98 and 351,336.79
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Solution
The fourth proportional to 641,730.07, 885,597.98 and 351,336.79 is: 484,850.50
Step by Step Solution
- Step 1: Write the proportion equation
641,730.07 : 885,597.98 = 351,336.79 : x - Step 2: Convert to fraction form
641,730.07/885,597.98 = 351,336.79/x - Step 3: Cross multiply
641,730.07x = 885,597.98 × 351,336.79 - Step 4: Simplify right side
641,730.07x = 311,143,145,339.01 - Step 5: Solve for x
x = 311,143,145,339.01/641,730.07 - Step 6: Final answer
x = 484,850.50
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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.