Finding the Fourth Proportional to 655,396.92, 983,101.86 and 206,107.74
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Solution
The fourth proportional to 655,396.92, 983,101.86 and 206,107.74 is: 309,163.65
Step by Step Solution
- Step 1: Write the proportion equation
655,396.92 : 983,101.86 = 206,107.74 : x - Step 2: Convert to fraction form
655,396.92/983,101.86 = 206,107.74/x - Step 3: Cross multiply
655,396.92x = 983,101.86 × 206,107.74 - Step 4: Simplify right side
655,396.92x = 202,624,902,554.40 - Step 5: Solve for x
x = 202,624,902,554.40/655,396.92 - Step 6: Final answer
x = 309,163.65
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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.