Finding the Fourth Proportional to 227,632.70, 341,449.05 and 85,477.70
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Solution
The fourth proportional to 227,632.70, 341,449.05 and 85,477.70 is: 128,216.55
Step by Step Solution
- Step 1: Write the proportion equation
227,632.70 : 341,449.05 = 85,477.70 : x - Step 2: Convert to fraction form
227,632.70/341,449.05 = 85,477.70/x - Step 3: Cross multiply
227,632.70x = 341,449.05 × 85,477.70 - Step 4: Simplify right side
227,632.70x = 29,186,279,461.19 - Step 5: Solve for x
x = 29,186,279,461.19/227,632.70 - Step 6: Final answer
x = 128,216.55
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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.