Finding the Fourth Proportional to 448,076.14, 618,573.62 and 303,644.96
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Solution
The fourth proportional to 448,076.14, 618,573.62 and 303,644.96 is: 419,184.92
Step by Step Solution
- Step 1: Write the proportion equation
448,076.14 : 618,573.62 = 303,644.96 : x - Step 2: Convert to fraction form
448,076.14/618,573.62 = 303,644.96/x - Step 3: Cross multiply
448,076.14x = 618,573.62 × 303,644.96 - Step 4: Simplify right side
448,076.14x = 187,826,762,101.96 - Step 5: Solve for x
x = 187,826,762,101.96/448,076.14 - Step 6: Final answer
x = 419,184.92
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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.