Finding the Fourth Proportional to 271,243.36, 406,818.60 and 71,565.81
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Solution
The fourth proportional to 271,243.36, 406,818.60 and 71,565.81 is: 107,336.46
Step by Step Solution
- Step 1: Write the proportion equation
271,243.36 : 406,818.60 = 71,565.81 : x - Step 2: Convert to fraction form
271,243.36/406,818.60 = 71,565.81/x - Step 3: Cross multiply
271,243.36x = 406,818.60 × 71,565.81 - Step 4: Simplify right side
271,243.36x = 29,114,302,632.07 - Step 5: Solve for x
x = 29,114,302,632.07/271,243.36 - Step 6: Final answer
x = 107,336.46
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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.