Finding the Fourth Proportional to 351,028.85, 484,265.92 and 205,760.99
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Solution
The fourth proportional to 351,028.85, 484,265.92 and 205,760.99 is: 283,859.96
Step by Step Solution
- Step 1: Write the proportion equation
351,028.85 : 484,265.92 = 205,760.99 : x - Step 2: Convert to fraction form
351,028.85/484,265.92 = 205,760.99/x - Step 3: Cross multiply
351,028.85x = 484,265.92 × 205,760.99 - Step 4: Simplify right side
351,028.85x = 99,643,035,122.46 - Step 5: Solve for x
x = 99,643,035,122.46/351,028.85 - Step 6: Final answer
x = 283,859.96
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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.