Finding the Fourth Proportional to 394,639.29, 544,473.09 and 241,517.80
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Solution
The fourth proportional to 394,639.29, 544,473.09 and 241,517.80 is: 333,215.54
Step by Step Solution
- Step 1: Write the proportion equation
394,639.29 : 544,473.09 = 241,517.80 : x - Step 2: Convert to fraction form
394,639.29/544,473.09 = 241,517.80/x - Step 3: Cross multiply
394,639.29x = 544,473.09 × 241,517.80 - Step 4: Simplify right side
394,639.29x = 131,499,943,536.59 - Step 5: Solve for x
x = 131,499,943,536.59/394,639.29 - Step 6: Final answer
x = 333,215.54
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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.