Finding the Fourth Proportional to 402,409.70, 603,614.55 and 337,455.80
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Solution
The fourth proportional to 402,409.70, 603,614.55 and 337,455.80 is: 506,183.70
Step by Step Solution
- Step 1: Write the proportion equation
402,409.70 : 603,614.55 = 337,455.80 : x - Step 2: Convert to fraction form
402,409.70/603,614.55 = 337,455.80/x - Step 3: Cross multiply
402,409.70x = 603,614.55 × 337,455.80 - Step 4: Simplify right side
402,409.70x = 203,693,230,861.89 - Step 5: Solve for x
x = 203,693,230,861.89/402,409.70 - Step 6: Final answer
x = 506,183.70
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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.