Finding the Fourth Proportional to 364,687.20, 503,313.84 and 221,437.92
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Solution
The fourth proportional to 364,687.20, 503,313.84 and 221,437.92 is: 305,611.96
Step by Step Solution
- Step 1: Write the proportion equation
364,687.20 : 503,313.84 = 221,437.92 : x - Step 2: Convert to fraction form
364,687.20/503,313.84 = 221,437.92/x - Step 3: Cross multiply
364,687.20x = 503,313.84 × 221,437.92 - Step 4: Simplify right side
364,687.20x = 111,452,769,836.81 - Step 5: Solve for x
x = 111,452,769,836.81/364,687.20 - Step 6: Final answer
x = 305,611.96
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.