Finding the Fourth Proportional to 394,605.73, 544,560.87 and 239,512.19
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Solution
The fourth proportional to 394,605.73, 544,560.87 and 239,512.19 is: 330,529.84
Step by Step Solution
- Step 1: Write the proportion equation
394,605.73 : 544,560.87 = 239,512.19 : x - Step 2: Convert to fraction form
394,605.73/544,560.87 = 239,512.19/x - Step 3: Cross multiply
394,605.73x = 544,560.87 × 239,512.19 - Step 4: Simplify right side
394,605.73x = 130,428,967,800.53 - Step 5: Solve for x
x = 130,428,967,800.53/394,605.73 - Step 6: Final answer
x = 330,529.84
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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.