Finding the Fourth Proportional to 274,923.18, 412,369.56 and 75,229.23
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Solution
The fourth proportional to 274,923.18, 412,369.56 and 75,229.23 is: 112,839.68
Step by Step Solution
- Step 1: Write the proportion equation
274,923.18 : 412,369.56 = 75,229.23 : x - Step 2: Convert to fraction form
274,923.18/412,369.56 = 75,229.23/x - Step 3: Cross multiply
274,923.18x = 412,369.56 × 75,229.23 - Step 4: Simplify right side
274,923.18x = 31,022,244,474.24 - Step 5: Solve for x
x = 31,022,244,474.24/274,923.18 - Step 6: Final answer
x = 112,839.68
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1.5x scale
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.