Finding the Fourth Proportional to 146,638.94, 202,361.02 and 79,570.94
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Solution
The fourth proportional to 146,638.94, 202,361.02 and 79,570.94 is: 109,807.50
Step by Step Solution
- Step 1: Write the proportion equation
146,638.94 : 202,361.02 = 79,570.94 : x - Step 2: Convert to fraction form
146,638.94/202,361.02 = 79,570.94/x - Step 3: Cross multiply
146,638.94x = 202,361.02 × 79,570.94 - Step 4: Simplify right side
146,638.94x = 16,102,055,370.03 - Step 5: Solve for x
x = 16,102,055,370.03/146,638.94 - Step 6: Final answer
x = 109,807.50
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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.