Finding the Fourth Proportional to 227,639.40, 341,718.30 and 134,197.80
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Solution
The fourth proportional to 227,639.40, 341,718.30 and 134,197.80 is: 201,449.50
Step by Step Solution
- Step 1: Write the proportion equation
227,639.40 : 341,718.30 = 134,197.80 : x - Step 2: Convert to fraction form
227,639.40/341,718.30 = 134,197.80/x - Step 3: Cross multiply
227,639.40x = 341,718.30 × 134,197.80 - Step 4: Simplify right side
227,639.40x = 45,857,844,079.74 - Step 5: Solve for x
x = 45,857,844,079.74/227,639.40 - Step 6: Final answer
x = 201,449.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.