Finding the Fourth Proportional to 205,676.88, 283,838.58 and 145,353.96
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Solution
The fourth proportional to 205,676.88, 283,838.58 and 145,353.96 is: 200,591.63
Step by Step Solution
- Step 1: Write the proportion equation
205,676.88 : 283,838.58 = 145,353.96 : x - Step 2: Convert to fraction form
205,676.88/283,838.58 = 145,353.96/x - Step 3: Cross multiply
205,676.88x = 283,838.58 × 145,353.96 - Step 4: Simplify right side
205,676.88x = 41,257,061,603.78 - Step 5: Solve for x
x = 41,257,061,603.78/205,676.88 - Step 6: Final answer
x = 200,591.63
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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.