Finding the Fourth Proportional to 394,230.80, 590,957.40 and 194,387.60
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Solution
The fourth proportional to 394,230.80, 590,957.40 and 194,387.60 is: 291,389.69
Step by Step Solution
- Step 1: Write the proportion equation
394,230.80 : 590,957.40 = 194,387.60 : x - Step 2: Convert to fraction form
394,230.80/590,957.40 = 194,387.60/x - Step 3: Cross multiply
394,230.80x = 590,957.40 × 194,387.60 - Step 4: Simplify right side
394,230.80x = 114,874,790,688.24 - Step 5: Solve for x
x = 114,874,790,688.24/394,230.80 - Step 6: Final answer
x = 291,389.69
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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.