Finding the Fourth Proportional to 394,245.19, 544,058.57 and 212,957.12
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Solution
The fourth proportional to 394,245.19, 544,058.57 and 212,957.12 is: 293,880.93
Step by Step Solution
- Step 1: Write the proportion equation
394,245.19 : 544,058.57 = 212,957.12 : x - Step 2: Convert to fraction form
394,245.19/544,058.57 = 212,957.12/x - Step 3: Cross multiply
394,245.19x = 544,058.57 × 212,957.12 - Step 4: Simplify right side
394,245.19x = 115,861,143,458.23 - Step 5: Solve for x
x = 115,861,143,458.23/394,245.19 - Step 6: Final answer
x = 293,880.93
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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.