Finding the Fourth Proportional to 215,831.10, 297,850.23 and 120,334.62
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Solution
The fourth proportional to 215,831.10, 297,850.23 and 120,334.62 is: 166,063.62
Step by Step Solution
- Step 1: Write the proportion equation
215,831.10 : 297,850.23 = 120,334.62 : x - Step 2: Convert to fraction form
215,831.10/297,850.23 = 120,334.62/x - Step 3: Cross multiply
215,831.10x = 297,850.23 × 120,334.62 - Step 4: Simplify right side
215,831.10x = 35,841,694,243.96 - Step 5: Solve for x
x = 35,841,694,243.96/215,831.10 - Step 6: Final answer
x = 166,063.62
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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.