Finding the Fourth Proportional to 194,850.75, 291,431.79 and 114,697.70
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Solution
The fourth proportional to 194,850.75, 291,431.79 and 114,697.70 is: 171,549.53
Step by Step Solution
- Step 1: Write the proportion equation
194,850.75 : 291,431.79 = 114,697.70 : x - Step 2: Convert to fraction form
194,850.75/291,431.79 = 114,697.70/x - Step 3: Cross multiply
194,850.75x = 291,431.79 × 114,697.70 - Step 4: Simplify right side
194,850.75x = 33,426,554,562.72 - Step 5: Solve for x
x = 33,426,554,562.72/194,850.75 - Step 6: Final answer
x = 171,549.53
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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.