Finding the Fourth Proportional to 202,361.45, 279,295.36 and 120,694.95
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Solution
The fourth proportional to 202,361.45, 279,295.36 and 120,694.95 is: 166,580.83
Step by Step Solution
- Step 1: Write the proportion equation
202,361.45 : 279,295.36 = 120,694.95 : x - Step 2: Convert to fraction form
202,361.45/279,295.36 = 120,694.95/x - Step 3: Cross multiply
202,361.45x = 279,295.36 × 120,694.95 - Step 4: Simplify right side
202,361.45x = 33,709,537,812.22 - Step 5: Solve for x
x = 33,709,537,812.22/202,361.45 - Step 6: Final answer
x = 166,580.83
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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.