Finding the Fourth Proportional to 402,206.05, 603,299.85 and 202,472.80
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Solution
The fourth proportional to 402,206.05, 603,299.85 and 202,472.80 is: 303,704.56
Step by Step Solution
- Step 1: Write the proportion equation
402,206.05 : 603,299.85 = 202,472.80 : x - Step 2: Convert to fraction form
402,206.05/603,299.85 = 202,472.80/x - Step 3: Cross multiply
402,206.05x = 603,299.85 × 202,472.80 - Step 4: Simplify right side
402,206.05x = 122,151,809,869.08 - Step 5: Solve for x
x = 122,151,809,869.08/402,206.05 - Step 6: Final answer
x = 303,704.56
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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.