Finding the Fourth Proportional to 190,906.64, 263,511.60 and 134,483.12
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Solution
The fourth proportional to 190,906.64, 263,511.60 and 134,483.12 is: 185,629.28
Step by Step Solution
- Step 1: Write the proportion equation
190,906.64 : 263,511.60 = 134,483.12 : x - Step 2: Convert to fraction form
190,906.64/263,511.60 = 134,483.12/x - Step 3: Cross multiply
190,906.64x = 263,511.60 × 134,483.12 - Step 4: Simplify right side
190,906.64x = 35,437,862,124.19 - Step 5: Solve for x
x = 35,437,862,124.19/190,906.64 - Step 6: Final answer
x = 185,629.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.