Finding the Fourth Proportional to 402,205.05, 603,298.35 and 202,471.80
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Solution
The fourth proportional to 402,205.05, 603,298.35 and 202,471.80 is: 303,703.06
Step by Step Solution
- Step 1: Write the proportion equation
402,205.05 : 603,298.35 = 202,471.80 : x - Step 2: Convert to fraction form
402,205.05/603,298.35 = 202,471.80/x - Step 3: Cross multiply
402,205.05x = 603,298.35 × 202,471.80 - Step 4: Simplify right side
402,205.05x = 122,150,902,861.53 - Step 5: Solve for x
x = 122,150,902,861.53/402,205.05 - Step 6: Final answer
x = 303,703.06
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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.