Finding the Fourth Proportional to 202,871.04, 304,108.82 and 84,576.21
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Solution
The fourth proportional to 202,871.04, 304,108.82 and 84,576.21 is: 126,781.88
Step by Step Solution
- Step 1: Write the proportion equation
202,871.04 : 304,108.82 = 84,576.21 : x - Step 2: Convert to fraction form
202,871.04/304,108.82 = 84,576.21/x - Step 3: Cross multiply
202,871.04x = 304,108.82 × 84,576.21 - Step 4: Simplify right side
202,871.04x = 25,720,371,000.29 - Step 5: Solve for x
x = 25,720,371,000.29/202,871.04 - Step 6: Final answer
x = 126,781.88
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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.