Finding the Fourth Proportional to 146,676.35, 202,390.25 and 85,432.62
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Solution
The fourth proportional to 146,676.35, 202,390.25 and 85,432.62 is: 117,883.55
Step by Step Solution
- Step 1: Write the proportion equation
146,676.35 : 202,390.25 = 85,432.62 : x - Step 2: Convert to fraction form
146,676.35/202,390.25 = 85,432.62/x - Step 3: Cross multiply
146,676.35x = 202,390.25 × 85,432.62 - Step 4: Simplify right side
146,676.35x = 17,290,728,892.79 - Step 5: Solve for x
x = 17,290,728,892.79/146,676.35 - Step 6: Final answer
x = 117,883.55
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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.