Finding the Fourth Proportional to 200,515.25, 276,711.11 and 119,946.17
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Solution
The fourth proportional to 200,515.25, 276,711.11 and 119,946.17 is: 165,525.75
Step by Step Solution
- Step 1: Write the proportion equation
200,515.25 : 276,711.11 = 119,946.17 : x - Step 2: Convert to fraction form
200,515.25/276,711.11 = 119,946.17/x - Step 3: Cross multiply
200,515.25x = 276,711.11 × 119,946.17 - Step 4: Simplify right side
200,515.25x = 33,190,437,241.22 - Step 5: Solve for x
x = 33,190,437,241.22/200,515.25 - Step 6: Final answer
x = 165,525.75
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1.5x scale
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.