Finding the Fourth Proportional to 199,159.28, 274,836.32 and 108,515.99
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Solution
The fourth proportional to 199,159.28, 274,836.32 and 108,515.99 is: 149,750.18
Step by Step Solution
- Step 1: Write the proportion equation
199,159.28 : 274,836.32 = 108,515.99 : x - Step 2: Convert to fraction form
199,159.28/274,836.32 = 108,515.99/x - Step 3: Cross multiply
199,159.28x = 274,836.32 × 108,515.99 - Step 4: Simplify right side
199,159.28x = 29,824,136,311.14 - Step 5: Solve for x
x = 29,824,136,311.14/199,159.28 - Step 6: Final answer
x = 149,750.18
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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.