Finding the Fourth Proportional to 354,827.20, 532,305.60 and 144,486.40
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Solution
The fourth proportional to 354,827.20, 532,305.60 and 144,486.40 is: 216,755.99
Step by Step Solution
- Step 1: Write the proportion equation
354,827.20 : 532,305.60 = 144,486.40 : x - Step 2: Convert to fraction form
354,827.20/532,305.60 = 144,486.40/x - Step 3: Cross multiply
354,827.20x = 532,305.60 × 144,486.40 - Step 4: Simplify right side
354,827.20x = 76,910,919,843.84 - Step 5: Solve for x
x = 76,910,919,843.84/354,827.20 - Step 6: Final answer
x = 216,755.99
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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.