Finding the Fourth Proportional to 271,290.98, 406,523.36 and 137,971.46
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Solution
The fourth proportional to 271,290.98, 406,523.36 and 137,971.46 is: 206,747.09
Step by Step Solution
- Step 1: Write the proportion equation
271,290.98 : 406,523.36 = 137,971.46 : x - Step 2: Convert to fraction form
271,290.98/406,523.36 = 137,971.46/x - Step 3: Cross multiply
271,290.98x = 406,523.36 × 137,971.46 - Step 4: Simplify right side
271,290.98x = 56,088,621,503.31 - Step 5: Solve for x
x = 56,088,621,503.31/271,290.98 - Step 6: Final answer
x = 206,747.09
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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.