Finding the Fourth Proportional to 490,897.75, 736,347.57 and 135,912.82
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Solution
The fourth proportional to 490,897.75, 736,347.57 and 135,912.82 is: 203,869.49
Step by Step Solution
- Step 1: Write the proportion equation
490,897.75 : 736,347.57 = 135,912.82 : x - Step 2: Convert to fraction form
490,897.75/736,347.57 = 135,912.82/x - Step 3: Cross multiply
490,897.75x = 736,347.57 × 135,912.82 - Step 4: Simplify right side
490,897.75x = 100,079,074,738.85 - Step 5: Solve for x
x = 100,079,074,738.85/490,897.75 - Step 6: Final answer
x = 203,869.49
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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.