Finding the Fourth Proportional to 199,778.36, 275,690.67 and 109,131.99
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Solution
The fourth proportional to 199,778.36, 275,690.67 and 109,131.99 is: 150,600.25
Step by Step Solution
- Step 1: Write the proportion equation
199,778.36 : 275,690.67 = 109,131.99 : x - Step 2: Convert to fraction form
199,778.36/275,690.67 = 109,131.99/x - Step 3: Cross multiply
199,778.36x = 275,690.67 × 109,131.99 - Step 4: Simplify right side
199,778.36x = 30,086,671,441.53 - Step 5: Solve for x
x = 30,086,671,441.53/199,778.36 - Step 6: Final answer
x = 150,600.25
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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.