Finding the Fourth Proportional to 412,539.80, 618,723.30 and 202,328.60
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Solution
The fourth proportional to 412,539.80, 618,723.30 and 202,328.60 is: 303,450.53
Step by Step Solution
- Step 1: Write the proportion equation
412,539.80 : 618,723.30 = 202,328.60 : x - Step 2: Convert to fraction form
412,539.80/618,723.30 = 202,328.60/x - Step 3: Cross multiply
412,539.80x = 618,723.30 × 202,328.60 - Step 4: Simplify right side
412,539.80x = 125,185,419,076.38 - Step 5: Solve for x
x = 125,185,419,076.38/412,539.80 - Step 6: Final answer
x = 303,450.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.