Finding the Fourth Proportional to 363,485.97, 545,340.12 and 186,118.44
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Solution
The fourth proportional to 363,485.97, 545,340.12 and 186,118.44 is: 279,234.58
Step by Step Solution
- Step 1: Write the proportion equation
363,485.97 : 545,340.12 = 186,118.44 : x - Step 2: Convert to fraction form
363,485.97/545,340.12 = 186,118.44/x - Step 3: Cross multiply
363,485.97x = 545,340.12 × 186,118.44 - Step 4: Simplify right side
363,485.97x = 101,497,852,403.81 - Step 5: Solve for x
x = 101,497,852,403.81/363,485.97 - Step 6: Final answer
x = 279,234.58
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1.5x scale
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.