Finding the Fourth Proportional to 314,163.70, 471,245.55 and 251,955.70
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Solution
The fourth proportional to 314,163.70, 471,245.55 and 251,955.70 is: 377,933.55
Step by Step Solution
- Step 1: Write the proportion equation
314,163.70 : 471,245.55 = 251,955.70 : x - Step 2: Convert to fraction form
314,163.70/471,245.55 = 251,955.70/x - Step 3: Cross multiply
314,163.70x = 471,245.55 × 251,955.70 - Step 4: Simplify right side
314,163.70x = 118,733,002,422.14 - Step 5: Solve for x
x = 118,733,002,422.14/314,163.70 - Step 6: Final answer
x = 377,933.55
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Similar ratio
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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.