Finding the Fourth Proportional to 214,171.80, 321,258.42 and 54,247.68
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Solution
The fourth proportional to 214,171.80, 321,258.42 and 54,247.68 is: 81,371.70
Step by Step Solution
- Step 1: Write the proportion equation
214,171.80 : 321,258.42 = 54,247.68 : x - Step 2: Convert to fraction form
214,171.80/321,258.42 = 54,247.68/x - Step 3: Cross multiply
214,171.80x = 321,258.42 × 54,247.68 - Step 4: Simplify right side
214,171.80x = 17,427,523,965.47 - Step 5: Solve for x
x = 17,427,523,965.47/214,171.80 - Step 6: Final answer
x = 81,371.70
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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.