Finding the Fourth Proportional to 765,858.12, 1,148,911.84 and 226,168.98
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Solution
The fourth proportional to 765,858.12, 1,148,911.84 and 226,168.98 is: 339,290.28
Step by Step Solution
- Step 1: Write the proportion equation
765,858.12 : 1,148,911.84 = 226,168.98 : x - Step 2: Convert to fraction form
765,858.12/1,148,911.84 = 226,168.98/x - Step 3: Cross multiply
765,858.12x = 1,148,911.84 × 226,168.98 - Step 4: Simplify right side
765,858.12x = 259,848,218,962.72 - Step 5: Solve for x
x = 259,848,218,962.72/765,858.12 - Step 6: Final answer
x = 339,290.28
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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.