Finding the Fourth Proportional to 199,361.80, 299,042.70 and 125,633.80
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Solution
The fourth proportional to 199,361.80, 299,042.70 and 125,633.80 is: 188,450.70
Step by Step Solution
- Step 1: Write the proportion equation
199,361.80 : 299,042.70 = 125,633.80 : x - Step 2: Convert to fraction form
199,361.80/299,042.70 = 125,633.80/x - Step 3: Cross multiply
199,361.80x = 299,042.70 × 125,633.80 - Step 4: Simplify right side
199,361.80x = 37,569,870,763.26 - Step 5: Solve for x
x = 37,569,870,763.26/199,361.80 - Step 6: Final answer
x = 188,450.70
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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.