Finding the Fourth Proportional to 178,480.10, 267,634.02 and 103,619.09
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Solution
The fourth proportional to 178,480.10, 267,634.02 and 103,619.09 is: 155,378.63
Step by Step Solution
- Step 1: Write the proportion equation
178,480.10 : 267,634.02 = 103,619.09 : x - Step 2: Convert to fraction form
178,480.10/267,634.02 = 103,619.09/x - Step 3: Cross multiply
178,480.10x = 267,634.02 × 103,619.09 - Step 4: Simplify right side
178,480.10x = 27,731,993,605.44 - Step 5: Solve for x
x = 27,731,993,605.44/178,480.10 - Step 6: Final answer
x = 155,378.63
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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.