Finding the Fourth Proportional to 149,804.97, 206,735.79 and 81,825.96
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Solution
The fourth proportional to 149,804.97, 206,735.79 and 81,825.96 is: 112,922.52
Step by Step Solution
- Step 1: Write the proportion equation
149,804.97 : 206,735.79 = 81,825.96 : x - Step 2: Convert to fraction form
149,804.97/206,735.79 = 81,825.96/x - Step 3: Cross multiply
149,804.97x = 206,735.79 × 81,825.96 - Step 4: Simplify right side
149,804.97x = 16,916,354,483.11 - Step 5: Solve for x
x = 16,916,354,483.11/149,804.97 - Step 6: Final answer
x = 112,922.52
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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.