Finding the Fourth Proportional to 351,086.50, 484,511.84 and 198,161.92
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Solution
The fourth proportional to 351,086.50, 484,511.84 and 198,161.92 is: 273,470.49
Step by Step Solution
- Step 1: Write the proportion equation
351,086.50 : 484,511.84 = 198,161.92 : x - Step 2: Convert to fraction form
351,086.50/484,511.84 = 198,161.92/x - Step 3: Cross multiply
351,086.50x = 484,511.84 × 198,161.92 - Step 4: Simplify right side
351,086.50x = 96,011,796,477.13 - Step 5: Solve for x
x = 96,011,796,477.13/351,086.50 - Step 6: Final answer
x = 273,470.49
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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.