Finding the Fourth Proportional to 386,310.96, 533,082.24 and 214,237.84
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Solution
The fourth proportional to 386,310.96, 533,082.24 and 214,237.84 is: 295,633.31
Step by Step Solution
- Step 1: Write the proportion equation
386,310.96 : 533,082.24 = 214,237.84 : x - Step 2: Convert to fraction form
386,310.96/533,082.24 = 214,237.84/x - Step 3: Cross multiply
386,310.96x = 533,082.24 × 214,237.84 - Step 4: Simplify right side
386,310.96x = 114,206,387,639.96 - Step 5: Solve for x
x = 114,206,387,639.96/386,310.96 - Step 6: Final answer
x = 295,633.31
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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.