Finding the Fourth Proportional to 339,420.81, 468,385.57 and 203,529.75
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Solution
The fourth proportional to 339,420.81, 468,385.57 and 203,529.75 is: 280,861.96
Step by Step Solution
- Step 1: Write the proportion equation
339,420.81 : 468,385.57 = 203,529.75 : x - Step 2: Convert to fraction form
339,420.81/468,385.57 = 203,529.75/x - Step 3: Cross multiply
339,420.81x = 468,385.57 × 203,529.75 - Step 4: Simplify right side
339,420.81x = 95,330,396,463.67 - Step 5: Solve for x
x = 95,330,396,463.67/339,420.81 - Step 6: Final answer
x = 280,861.96
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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.