Finding the Fourth Proportional to 340,724.70, 511,087.05 and 334,163.70
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Solution
The fourth proportional to 340,724.70, 511,087.05 and 334,163.70 is: 501,245.55
Step by Step Solution
- Step 1: Write the proportion equation
340,724.70 : 511,087.05 = 334,163.70 : x - Step 2: Convert to fraction form
340,724.70/511,087.05 = 334,163.70/x - Step 3: Cross multiply
340,724.70x = 511,087.05 × 334,163.70 - Step 4: Simplify right side
340,724.70x = 170,786,739,650.09 - Step 5: Solve for x
x = 170,786,739,650.09/340,724.70 - Step 6: Final answer
x = 501,245.55
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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.