Finding the Fourth Proportional to 171,687.64, 257,449.74 and 53,360.68
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Solution
The fourth proportional to 171,687.64, 257,449.74 and 53,360.68 is: 80,015.62
Step by Step Solution
- Step 1: Write the proportion equation
171,687.64 : 257,449.74 = 53,360.68 : x - Step 2: Convert to fraction form
171,687.64/257,449.74 = 53,360.68/x - Step 3: Cross multiply
171,687.64x = 257,449.74 × 53,360.68 - Step 4: Simplify right side
171,687.64x = 13,737,693,192.22 - Step 5: Solve for x
x = 13,737,693,192.22/171,687.64 - Step 6: Final answer
x = 80,015.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.