Finding the Fourth Proportional to 371,961.88, 513,310.34 and 202,195.56
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Solution
The fourth proportional to 371,961.88, 513,310.34 and 202,195.56 is: 279,031.47
Step by Step Solution
- Step 1: Write the proportion equation
371,961.88 : 513,310.34 = 202,195.56 : x - Step 2: Convert to fraction form
371,961.88/513,310.34 = 202,195.56/x - Step 3: Cross multiply
371,961.88x = 513,310.34 × 202,195.56 - Step 4: Simplify right side
371,961.88x = 103,789,071,650.09 - Step 5: Solve for x
x = 103,789,071,650.09/371,961.88 - Step 6: Final answer
x = 279,031.47
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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.