Finding the Fourth Proportional to 227,622.70, 341,434.05 and 85,467.70
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Solution
The fourth proportional to 227,622.70, 341,434.05 and 85,467.70 is: 128,201.55
Step by Step Solution
- Step 1: Write the proportion equation
227,622.70 : 341,434.05 = 85,467.70 : x - Step 2: Convert to fraction form
227,622.70/341,434.05 = 85,467.70/x - Step 3: Cross multiply
227,622.70x = 341,434.05 × 85,467.70 - Step 4: Simplify right side
227,622.70x = 29,181,582,955.19 - Step 5: Solve for x
x = 29,181,582,955.19/227,622.70 - Step 6: Final answer
x = 128,201.55
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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.