Finding the Fourth Proportional to 217,330.29, 325,967.74 and 84,119.41
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Solution
The fourth proportional to 217,330.29, 325,967.74 and 84,119.41 is: 126,168.39
Step by Step Solution
- Step 1: Write the proportion equation
217,330.29 : 325,967.74 = 84,119.41 : x - Step 2: Convert to fraction form
217,330.29/325,967.74 = 84,119.41/x - Step 3: Cross multiply
217,330.29x = 325,967.74 × 84,119.41 - Step 4: Simplify right side
217,330.29x = 27,420,211,917.40 - Step 5: Solve for x
x = 27,420,211,917.40/217,330.29 - Step 6: Final answer
x = 126,168.39
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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.