Finding the Fourth Proportional to 274,859.80, 412,289.70 and 134,891.80
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Solution
The fourth proportional to 274,859.80, 412,289.70 and 134,891.80 is: 202,337.70
Step by Step Solution
- Step 1: Write the proportion equation
274,859.80 : 412,289.70 = 134,891.80 : x - Step 2: Convert to fraction form
274,859.80/412,289.70 = 134,891.80/x - Step 3: Cross multiply
274,859.80x = 412,289.70 × 134,891.80 - Step 4: Simplify right side
274,859.80x = 55,614,499,754.46 - Step 5: Solve for x
x = 55,614,499,754.46/274,859.80 - Step 6: Final answer
x = 202,337.70
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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.