Finding the Fourth Proportional to 667,977.92, 921,808.20 and 366,174.08
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Solution
The fourth proportional to 667,977.92, 921,808.20 and 366,174.08 is: 505,319.50
Step by Step Solution
- Step 1: Write the proportion equation
667,977.92 : 921,808.20 = 366,174.08 : x - Step 2: Convert to fraction form
667,977.92/921,808.20 = 366,174.08/x - Step 3: Cross multiply
667,977.92x = 921,808.20 × 366,174.08 - Step 4: Simplify right side
667,977.92x = 337,542,269,571.46 - Step 5: Solve for x
x = 337,542,269,571.46/667,977.92 - Step 6: Final answer
x = 505,319.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.