Finding the Fourth Proportional to 371,353.74, 512,469.69 and 210,239.88
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Solution
The fourth proportional to 371,353.74, 512,469.69 and 210,239.88 is: 290,131.90
Step by Step Solution
- Step 1: Write the proportion equation
371,353.74 : 512,469.69 = 210,239.88 : x - Step 2: Convert to fraction form
371,353.74/512,469.69 = 210,239.88/x - Step 3: Cross multiply
371,353.74x = 512,469.69 × 210,239.88 - Step 4: Simplify right side
371,353.74x = 107,741,566,129.24 - Step 5: Solve for x
x = 107,741,566,129.24/371,353.74 - Step 6: Final answer
x = 290,131.90
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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.