Finding the Fourth Proportional to 221,197.24, 331,794.82 and 69,405.43
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Solution
The fourth proportional to 221,197.24, 331,794.82 and 69,405.43 is: 104,107.82
Step by Step Solution
- Step 1: Write the proportion equation
221,197.24 : 331,794.82 = 69,405.43 : x - Step 2: Convert to fraction form
221,197.24/331,794.82 = 69,405.43/x - Step 3: Cross multiply
221,197.24x = 331,794.82 × 69,405.43 - Step 4: Simplify right side
221,197.24x = 23,028,362,153.87 - Step 5: Solve for x
x = 23,028,362,153.87/221,197.24 - Step 6: Final answer
x = 104,107.82
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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.