Finding the Fourth Proportional to 192,757.08, 289,064.58 and 66,361.32
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Solution
The fourth proportional to 192,757.08, 289,064.58 and 66,361.32 is: 99,517.52
Step by Step Solution
- Step 1: Write the proportion equation
192,757.08 : 289,064.58 = 66,361.32 : x - Step 2: Convert to fraction form
192,757.08/289,064.58 = 66,361.32/x - Step 3: Cross multiply
192,757.08x = 289,064.58 × 66,361.32 - Step 4: Simplify right side
192,757.08x = 19,182,707,094.05 - Step 5: Solve for x
x = 19,182,707,094.05/192,757.08 - Step 6: Final answer
x = 99,517.52
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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.