Finding the Fourth Proportional to 199,435.26, 275,225.84 and 108,792.75
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Solution
The fourth proportional to 199,435.26, 275,225.84 and 108,792.75 is: 150,136.82
Step by Step Solution
- Step 1: Write the proportion equation
199,435.26 : 275,225.84 = 108,792.75 : x - Step 2: Convert to fraction form
199,435.26/275,225.84 = 108,792.75/x - Step 3: Cross multiply
199,435.26x = 275,225.84 × 108,792.75 - Step 4: Simplify right side
199,435.26x = 29,942,575,460.70 - Step 5: Solve for x
x = 29,942,575,460.70/199,435.26 - Step 6: Final answer
x = 150,136.82
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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.