Finding the Fourth Proportional to 275,274.62, 412,952.97 and 97,766.72
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Solution
The fourth proportional to 275,274.62, 412,952.97 and 97,766.72 is: 146,664.66
Step by Step Solution
- Step 1: Write the proportion equation
275,274.62 : 412,952.97 = 97,766.72 : x - Step 2: Convert to fraction form
275,274.62/412,952.97 = 97,766.72/x - Step 3: Cross multiply
275,274.62x = 412,952.97 × 97,766.72 - Step 4: Simplify right side
275,274.62x = 40,373,057,391.16 - Step 5: Solve for x
x = 40,373,057,391.16/275,274.62 - Step 6: Final answer
x = 146,664.66
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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.