Finding the Fourth Proportional to 394,740.18, 544,727.97 and 225,028.98
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Solution
The fourth proportional to 394,740.18, 544,727.97 and 225,028.98 is: 310,532.31
Step by Step Solution
- Step 1: Write the proportion equation
394,740.18 : 544,727.97 = 225,028.98 : x - Step 2: Convert to fraction form
394,740.18/544,727.97 = 225,028.98/x - Step 3: Cross multiply
394,740.18x = 544,727.97 × 225,028.98 - Step 4: Simplify right side
394,740.18x = 122,579,579,466.57 - Step 5: Solve for x
x = 122,579,579,466.57/394,740.18 - Step 6: Final answer
x = 310,532.31
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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.