Finding the Fourth Proportional to 199,576.13, 299,205.18 and 115,240.62
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Solution
The fourth proportional to 199,576.13, 299,205.18 and 115,240.62 is: 172,769.11
Step by Step Solution
- Step 1: Write the proportion equation
199,576.13 : 299,205.18 = 115,240.62 : x - Step 2: Convert to fraction form
199,576.13/299,205.18 = 115,240.62/x - Step 3: Cross multiply
199,576.13x = 299,205.18 × 115,240.62 - Step 4: Simplify right side
199,576.13x = 34,480,590,450.41 - Step 5: Solve for x
x = 34,480,590,450.41/199,576.13 - Step 6: Final answer
x = 172,769.11
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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.