Finding the Fourth Proportional to 195,769.75, 293,654.63 and 84,961.75
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Solution
The fourth proportional to 195,769.75, 293,654.63 and 84,961.75 is: 127,442.63
Step by Step Solution
- Step 1: Write the proportion equation
195,769.75 : 293,654.63 = 84,961.75 : x - Step 2: Convert to fraction form
195,769.75/293,654.63 = 84,961.75/x - Step 3: Cross multiply
195,769.75x = 293,654.63 × 84,961.75 - Step 4: Simplify right side
195,769.75x = 24,949,411,260.40 - Step 5: Solve for x
x = 24,949,411,260.40/195,769.75 - Step 6: Final answer
x = 127,442.63
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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.