Finding the Fourth Proportional to 227,640.17, 314,143.50 and 125,665.70
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Solution
The fourth proportional to 227,640.17, 314,143.50 and 125,665.70 is: 173,418.70
Step by Step Solution
- Step 1: Write the proportion equation
227,640.17 : 314,143.50 = 125,665.70 : x - Step 2: Convert to fraction form
227,640.17/314,143.50 = 125,665.70/x - Step 3: Cross multiply
227,640.17x = 314,143.50 × 125,665.70 - Step 4: Simplify right side
227,640.17x = 39,477,063,804.73 - Step 5: Solve for x
x = 39,477,063,804.73/227,640.17 - Step 6: Final answer
x = 173,418.70
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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.