Finding the Fourth Proportional to 220,995.57, 331,544.34 and 69,184.02
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Solution
The fourth proportional to 220,995.57, 331,544.34 and 69,184.02 is: 103,791.99
Step by Step Solution
- Step 1: Write the proportion equation
220,995.57 : 331,544.34 = 69,184.02 : x - Step 2: Convert to fraction form
220,995.57/331,544.34 = 69,184.02/x - Step 3: Cross multiply
220,995.57x = 331,544.34 × 69,184.02 - Step 4: Simplify right side
220,995.57x = 22,937,570,249.45 - Step 5: Solve for x
x = 22,937,570,249.45/220,995.57 - Step 6: Final answer
x = 103,791.99
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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.