Finding the Fourth Proportional to 372,418.26, 513,932.86 and 202,649.46
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Solution
The fourth proportional to 372,418.26, 513,932.86 and 202,649.46 is: 279,653.89
Step by Step Solution
- Step 1: Write the proportion equation
372,418.26 : 513,932.86 = 202,649.46 : x - Step 2: Convert to fraction form
372,418.26/513,932.86 = 202,649.46/x - Step 3: Cross multiply
372,418.26x = 513,932.86 × 202,649.46 - Step 4: Simplify right side
372,418.26x = 104,148,216,555.26 - Step 5: Solve for x
x = 104,148,216,555.26/372,418.26 - Step 6: Final answer
x = 279,653.89
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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.