Finding the Fourth Proportional to 490,793.92, 736,189.92 and 135,806.96
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Solution
The fourth proportional to 490,793.92, 736,189.92 and 135,806.96 is: 203,710.17
Step by Step Solution
- Step 1: Write the proportion equation
490,793.92 : 736,189.92 = 135,806.96 : x - Step 2: Convert to fraction form
490,793.92/736,189.92 = 135,806.96/x - Step 3: Cross multiply
490,793.92x = 736,189.92 × 135,806.96 - Step 4: Simplify right side
490,793.92x = 99,979,715,017.84 - Step 5: Solve for x
x = 99,979,715,017.84/490,793.92 - Step 6: Final answer
x = 203,710.17
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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.