Finding the Fourth Proportional to 144,201.36, 215,858.52 and 94,173.60
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Solution
The fourth proportional to 144,201.36, 215,858.52 and 94,173.60 is: 140,970.75
Step by Step Solution
- Step 1: Write the proportion equation
144,201.36 : 215,858.52 = 94,173.60 : x - Step 2: Convert to fraction form
144,201.36/215,858.52 = 94,173.60/x - Step 3: Cross multiply
144,201.36x = 215,858.52 × 94,173.60 - Step 4: Simplify right side
144,201.36x = 20,328,173,919.07 - Step 5: Solve for x
x = 20,328,173,919.07/144,201.36 - Step 6: Final answer
x = 140,970.75
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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.