Finding the Fourth Proportional to 214,944.62, 322,420.02 and 81,832.18
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Solution
The fourth proportional to 214,944.62, 322,420.02 and 81,832.18 is: 122,749.45
Step by Step Solution
- Step 1: Write the proportion equation
214,944.62 : 322,420.02 = 81,832.18 : x - Step 2: Convert to fraction form
214,944.62/322,420.02 = 81,832.18/x - Step 3: Cross multiply
214,944.62x = 322,420.02 × 81,832.18 - Step 4: Simplify right side
214,944.62x = 26,384,332,306.19 - Step 5: Solve for x
x = 26,384,332,306.19/214,944.62 - Step 6: Final answer
x = 122,749.45
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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.