Finding the Fourth Proportional to 216,409.26, 324,686.01 and 136,354.82
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Solution
The fourth proportional to 216,409.26, 324,686.01 and 136,354.82 is: 204,577.66
Step by Step Solution
- Step 1: Write the proportion equation
216,409.26 : 324,686.01 = 136,354.82 : x - Step 2: Convert to fraction form
216,409.26/324,686.01 = 136,354.82/x - Step 3: Cross multiply
216,409.26x = 324,686.01 × 136,354.82 - Step 4: Simplify right side
216,409.26x = 44,272,500,826.64 - Step 5: Solve for x
x = 44,272,500,826.64/216,409.26 - Step 6: Final answer
x = 204,577.66
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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.