Finding the Fourth Proportional to 443,910.96, 612,634.62 and 271,828.08
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Solution
The fourth proportional to 443,910.96, 612,634.62 and 271,828.08 is: 375,145.71
Step by Step Solution
- Step 1: Write the proportion equation
443,910.96 : 612,634.62 = 271,828.08 : x - Step 2: Convert to fraction form
443,910.96/612,634.62 = 271,828.08/x - Step 3: Cross multiply
443,910.96x = 612,634.62 × 271,828.08 - Step 4: Simplify right side
443,910.96x = 166,531,292,496.13 - Step 5: Solve for x
x = 166,531,292,496.13/443,910.96 - Step 6: Final answer
x = 375,145.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.