Finding the Fourth Proportional to 402,493.70, 603,813.45 and 202,310.30
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Solution
The fourth proportional to 402,493.70, 603,813.45 and 202,310.30 is: 303,502.09
Step by Step Solution
- Step 1: Write the proportion equation
402,493.70 : 603,813.45 = 202,310.30 : x - Step 2: Convert to fraction form
402,493.70/603,813.45 = 202,310.30/x - Step 3: Cross multiply
402,493.70x = 603,813.45 × 202,310.30 - Step 4: Simplify right side
402,493.70x = 122,157,680,213.54 - Step 5: Solve for x
x = 122,157,680,213.54/402,493.70 - Step 6: Final answer
x = 303,502.09
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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.