Finding the Fourth Proportional to 275,455.40, 413,183.10 and 186,225.80
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Solution
The fourth proportional to 275,455.40, 413,183.10 and 186,225.80 is: 279,338.70
Step by Step Solution
- Step 1: Write the proportion equation
275,455.40 : 413,183.10 = 186,225.80 : x - Step 2: Convert to fraction form
275,455.40/413,183.10 = 186,225.80/x - Step 3: Cross multiply
275,455.40x = 413,183.10 × 186,225.80 - Step 4: Simplify right side
275,455.40x = 76,945,353,343.98 - Step 5: Solve for x
x = 76,945,353,343.98/275,455.40 - Step 6: Final answer
x = 279,338.70
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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.