Finding the Fourth Proportional to 262,859.28, 362,745.42 and 149,682.06
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Solution
The fourth proportional to 262,859.28, 362,745.42 and 149,682.06 is: 206,561.02
Step by Step Solution
- Step 1: Write the proportion equation
262,859.28 : 362,745.42 = 149,682.06 : x - Step 2: Convert to fraction form
262,859.28/362,745.42 = 149,682.06/x - Step 3: Cross multiply
262,859.28x = 362,745.42 × 149,682.06 - Step 4: Simplify right side
262,859.28x = 54,296,481,721.17 - Step 5: Solve for x
x = 54,296,481,721.17/262,859.28 - Step 6: Final answer
x = 206,561.02
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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.