Finding the Fourth Proportional to 370,808.76, 511,717.20 and 201,042.96
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Solution
The fourth proportional to 370,808.76, 511,717.20 and 201,042.96 is: 277,439.89
Step by Step Solution
- Step 1: Write the proportion equation
370,808.76 : 511,717.20 = 201,042.96 : x - Step 2: Convert to fraction form
370,808.76/511,717.20 = 201,042.96/x - Step 3: Cross multiply
370,808.76x = 511,717.20 × 201,042.96 - Step 4: Simplify right side
370,808.76x = 102,877,140,570.91 - Step 5: Solve for x
x = 102,877,140,570.91/370,808.76 - Step 6: Final answer
x = 277,439.89
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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.