Finding the Fourth Proportional to 270,944.68, 406,474.09 and 102,461.28
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Solution
The fourth proportional to 270,944.68, 406,474.09 and 102,461.28 is: 153,713.50
Step by Step Solution
- Step 1: Write the proportion equation
270,944.68 : 406,474.09 = 102,461.28 : x - Step 2: Convert to fraction form
270,944.68/406,474.09 = 102,461.28/x - Step 3: Cross multiply
270,944.68x = 406,474.09 × 102,461.28 - Step 4: Simplify right side
270,944.68x = 41,647,855,548.24 - Step 5: Solve for x
x = 41,647,855,548.24/270,944.68 - Step 6: Final answer
x = 153,713.50
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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.