Finding the Fourth Proportional to 227,261.20, 340,891.80 and 174,117.10
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Solution
The fourth proportional to 227,261.20, 340,891.80 and 174,117.10 is: 261,175.65
Step by Step Solution
- Step 1: Write the proportion equation
227,261.20 : 340,891.80 = 174,117.10 : x - Step 2: Convert to fraction form
227,261.20/340,891.80 = 174,117.10/x - Step 3: Cross multiply
227,261.20x = 340,891.80 × 174,117.10 - Step 4: Simplify right side
227,261.20x = 59,355,091,629.78 - Step 5: Solve for x
x = 59,355,091,629.78/227,261.20 - Step 6: Final answer
x = 261,175.65
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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.