Finding the Fourth Proportional to 394,370.14, 544,230.78 and 213,082.12
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Solution
The fourth proportional to 394,370.14, 544,230.78 and 213,082.12 is: 294,053.32
Step by Step Solution
- Step 1: Write the proportion equation
394,370.14 : 544,230.78 = 213,082.12 : x - Step 2: Convert to fraction form
394,370.14/544,230.78 = 213,082.12/x - Step 3: Cross multiply
394,370.14x = 544,230.78 × 213,082.12 - Step 4: Simplify right side
394,370.14x = 115,965,848,371.65 - Step 5: Solve for x
x = 115,965,848,371.65/394,370.14 - Step 6: Final answer
x = 294,053.32
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1.5x scale
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.