Finding the Fourth Proportional to 88,292.94, 132,435.90 and 21,729.84
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Solution
The fourth proportional to 88,292.94, 132,435.90 and 21,729.84 is: 32,593.90
Step by Step Solution
- Step 1: Write the proportion equation
88,292.94 : 132,435.90 = 21,729.84 : x - Step 2: Convert to fraction form
88,292.94/132,435.90 = 21,729.84/x - Step 3: Cross multiply
88,292.94x = 132,435.90 × 21,729.84 - Step 4: Simplify right side
88,292.94x = 2,877,810,917.26 - Step 5: Solve for x
x = 2,877,810,917.26/88,292.94 - Step 6: Final answer
x = 32,593.90
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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.