Finding the Fourth Proportional to 416,192.03, 624,309.57 and 131,912.78
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Solution
The fourth proportional to 416,192.03, 624,309.57 and 131,912.78 is: 197,875.99
Step by Step Solution
- Step 1: Write the proportion equation
416,192.03 : 624,309.57 = 131,912.78 : x - Step 2: Convert to fraction form
416,192.03/624,309.57 = 131,912.78/x - Step 3: Cross multiply
416,192.03x = 624,309.57 × 131,912.78 - Step 4: Simplify right side
416,192.03x = 82,354,412,520.08 - Step 5: Solve for x
x = 82,354,412,520.08/416,192.03 - Step 6: Final answer
x = 197,875.99
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1.5x scale
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.