Finding the Fourth Proportional to 199,355.75, 275,117.57 and 108,716.67
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Solution
The fourth proportional to 199,355.75, 275,117.57 and 108,716.67 is: 150,032.62
Step by Step Solution
- Step 1: Write the proportion equation
199,355.75 : 275,117.57 = 108,716.67 : x - Step 2: Convert to fraction form
199,355.75/275,117.57 = 108,716.67/x - Step 3: Cross multiply
199,355.75x = 275,117.57 × 108,716.67 - Step 4: Simplify right side
199,355.75x = 29,909,865,525.31 - Step 5: Solve for x
x = 29,909,865,525.31/199,355.75 - Step 6: Final answer
x = 150,032.62
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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.