Finding the Fourth Proportional to 267,861.11, 401,787.27 and 107,933.18
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Solution
The fourth proportional to 267,861.11, 401,787.27 and 107,933.18 is: 161,897.99
Step by Step Solution
- Step 1: Write the proportion equation
267,861.11 : 401,787.27 = 107,933.18 : x - Step 2: Convert to fraction form
267,861.11/401,787.27 = 107,933.18/x - Step 3: Cross multiply
267,861.11x = 401,787.27 × 107,933.18 - Step 4: Simplify right side
267,861.11x = 43,366,175,725.68 - Step 5: Solve for x
x = 43,366,175,725.68/267,861.11 - Step 6: Final answer
x = 161,897.99
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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.