Finding the Fourth Proportional to 491,562.53, 737,343.79 and 281,052.84
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Solution
The fourth proportional to 491,562.53, 737,343.79 and 281,052.84 is: 421,579.27
Step by Step Solution
- Step 1: Write the proportion equation
491,562.53 : 737,343.79 = 281,052.84 : x - Step 2: Convert to fraction form
491,562.53/737,343.79 = 281,052.84/x - Step 3: Cross multiply
491,562.53x = 737,343.79 × 281,052.84 - Step 4: Simplify right side
491,562.53x = 207,232,569,879.19 - Step 5: Solve for x
x = 207,232,569,879.19/491,562.53 - Step 6: Final answer
x = 421,579.27
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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.