Finding the Fourth Proportional to 274,889.80, 412,334.70 and 134,921.80
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Solution
The fourth proportional to 274,889.80, 412,334.70 and 134,921.80 is: 202,382.70
Step by Step Solution
- Step 1: Write the proportion equation
274,889.80 : 412,334.70 = 134,921.80 : x - Step 2: Convert to fraction form
274,889.80/412,334.70 = 134,921.80/x - Step 3: Cross multiply
274,889.80x = 412,334.70 × 134,921.80 - Step 4: Simplify right side
274,889.80x = 55,632,939,926.46 - Step 5: Solve for x
x = 55,632,939,926.46/274,889.80 - Step 6: Final answer
x = 202,382.70
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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.