Finding the Fourth Proportional to 432,864.10, 649,296.15 and 273,431.80
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Solution
The fourth proportional to 432,864.10, 649,296.15 and 273,431.80 is: 410,147.70
Step by Step Solution
- Step 1: Write the proportion equation
432,864.10 : 649,296.15 = 273,431.80 : x - Step 2: Convert to fraction form
432,864.10/649,296.15 = 273,431.80/x - Step 3: Cross multiply
432,864.10x = 649,296.15 × 273,431.80 - Step 4: Simplify right side
432,864.10x = 177,538,215,027.57 - Step 5: Solve for x
x = 177,538,215,027.57/432,864.10 - Step 6: Final answer
x = 410,147.70
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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.