Finding the Fourth Proportional to 496,238.64, 684,654.84 and 281,361.84
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Solution
The fourth proportional to 496,238.64, 684,654.84 and 281,361.84 is: 388,191.75
Step by Step Solution
- Step 1: Write the proportion equation
496,238.64 : 684,654.84 = 281,361.84 : x - Step 2: Convert to fraction form
496,238.64/684,654.84 = 281,361.84/x - Step 3: Cross multiply
496,238.64x = 684,654.84 × 281,361.84 - Step 4: Simplify right side
496,238.64x = 192,635,745,547.31 - Step 5: Solve for x
x = 192,635,745,547.31/496,238.64 - Step 6: Final answer
x = 388,191.75
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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.