Finding the Fourth Proportional to 388,982.22, 536,838.39 and 225,674.70
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Solution
The fourth proportional to 388,982.22, 536,838.39 and 225,674.70 is: 311,455.99
Step by Step Solution
- Step 1: Write the proportion equation
388,982.22 : 536,838.39 = 225,674.70 : x - Step 2: Convert to fraction form
388,982.22/536,838.39 = 225,674.70/x - Step 3: Cross multiply
388,982.22x = 536,838.39 × 225,674.70 - Step 4: Simplify right side
388,982.22x = 121,150,842,611.73 - Step 5: Solve for x
x = 121,150,842,611.73/388,982.22 - Step 6: Final answer
x = 311,455.99
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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.