Finding the Fourth Proportional to 227,516.09, 313,971.83 and 125,541.47
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Solution
The fourth proportional to 227,516.09, 313,971.83 and 125,541.47 is: 173,247.02
Step by Step Solution
- Step 1: Write the proportion equation
227,516.09 : 313,971.83 = 125,541.47 : x - Step 2: Convert to fraction form
227,516.09/313,971.83 = 125,541.47/x - Step 3: Cross multiply
227,516.09x = 313,971.83 × 125,541.47 - Step 4: Simplify right side
227,516.09x = 39,416,485,351.38 - Step 5: Solve for x
x = 39,416,485,351.38/227,516.09 - Step 6: Final answer
x = 173,247.02
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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.