Finding the Fourth Proportional to 270,762.62, 406,190.04 and 135,891.01
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Solution
The fourth proportional to 270,762.62, 406,190.04 and 135,891.01 is: 203,859.65
Step by Step Solution
- Step 1: Write the proportion equation
270,762.62 : 406,190.04 = 135,891.01 : x - Step 2: Convert to fraction form
270,762.62/406,190.04 = 135,891.01/x - Step 3: Cross multiply
270,762.62x = 406,190.04 × 135,891.01 - Step 4: Simplify right side
270,762.62x = 55,197,573,265.25 - Step 5: Solve for x
x = 55,197,573,265.25/270,762.62 - Step 6: Final answer
x = 203,859.65
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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.