Finding the Fourth Proportional to 394,546.15, 544,476.09 and 213,257.62
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Solution
The fourth proportional to 394,546.15, 544,476.09 and 213,257.62 is: 294,296.81
Step by Step Solution
- Step 1: Write the proportion equation
394,546.15 : 544,476.09 = 213,257.62 : x - Step 2: Convert to fraction form
394,546.15/544,476.09 = 213,257.62/x - Step 3: Cross multiply
394,546.15x = 544,476.09 × 213,257.62 - Step 4: Simplify right side
394,546.15x = 116,113,675,100.31 - Step 5: Solve for x
x = 116,113,675,100.31/394,546.15 - Step 6: Final answer
x = 294,296.81
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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.