Finding the Fourth Proportional to 220,708.57, 331,065.90 and 62,936.99
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Solution
The fourth proportional to 220,708.57, 331,065.90 and 62,936.99 is: 94,406.36
Step by Step Solution
- Step 1: Write the proportion equation
220,708.57 : 331,065.90 = 62,936.99 : x - Step 2: Convert to fraction form
220,708.57/331,065.90 = 62,936.99/x - Step 3: Cross multiply
220,708.57x = 331,065.90 × 62,936.99 - Step 4: Simplify right side
220,708.57x = 20,836,292,065.31 - Step 5: Solve for x
x = 20,836,292,065.31/220,708.57 - Step 6: Final answer
x = 94,406.36
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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.