Finding the Fourth Proportional to 483,107.40, 725,438.70 and 364,912.20
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Solution
The fourth proportional to 483,107.40, 725,438.70 and 364,912.20 is: 547,955.66
Step by Step Solution
- Step 1: Write the proportion equation
483,107.40 : 725,438.70 = 364,912.20 : x - Step 2: Convert to fraction form
483,107.40/725,438.70 = 364,912.20/x - Step 3: Cross multiply
483,107.40x = 725,438.70 × 364,912.20 - Step 4: Simplify right side
483,107.40x = 264,721,431,982.14 - Step 5: Solve for x
x = 264,721,431,982.14/483,107.40 - Step 6: Final answer
x = 547,955.66
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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.