Finding the Fourth Proportional to 267,619.63, 401,591.50 and 107,731.10
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Solution
The fourth proportional to 267,619.63, 401,591.50 and 107,731.10 is: 161,661.89
Step by Step Solution
- Step 1: Write the proportion equation
267,619.63 : 401,591.50 = 107,731.10 : x - Step 2: Convert to fraction form
267,619.63/401,591.50 = 107,731.10/x - Step 3: Cross multiply
267,619.63x = 401,591.50 × 107,731.10 - Step 4: Simplify right side
267,619.63x = 43,263,894,045.65 - Step 5: Solve for x
x = 43,263,894,045.65/267,619.63 - Step 6: Final answer
x = 161,661.89
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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.