Finding the Fourth Proportional to 178,317.36, 267,473.34 and 43,382.70
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Solution
The fourth proportional to 178,317.36, 267,473.34 and 43,382.70 is: 65,073.39
Step by Step Solution
- Step 1: Write the proportion equation
178,317.36 : 267,473.34 = 43,382.70 : x - Step 2: Convert to fraction form
178,317.36/267,473.34 = 43,382.70/x - Step 3: Cross multiply
178,317.36x = 267,473.34 × 43,382.70 - Step 4: Simplify right side
178,317.36x = 11,603,715,667.22 - Step 5: Solve for x
x = 11,603,715,667.22/178,317.36 - Step 6: Final answer
x = 65,073.39
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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.