Finding the Fourth Proportional to 359,785.94, 496,481.63 and 206,787.68
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Solution
The fourth proportional to 359,785.94, 496,481.63 and 206,787.68 is: 285,353.79
Step by Step Solution
- Step 1: Write the proportion equation
359,785.94 : 496,481.63 = 206,787.68 : x - Step 2: Convert to fraction form
359,785.94/496,481.63 = 206,787.68/x - Step 3: Cross multiply
359,785.94x = 496,481.63 × 206,787.68 - Step 4: Simplify right side
359,785.94x = 102,666,280,913.97 - Step 5: Solve for x
x = 102,666,280,913.97/359,785.94 - Step 6: Final answer
x = 285,353.79
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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.