Finding the Fourth Proportional to 372,144.61, 513,554.74 and 202,375.09
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Solution
The fourth proportional to 372,144.61, 513,554.74 and 202,375.09 is: 279,275.00
Step by Step Solution
- Step 1: Write the proportion equation
372,144.61 : 513,554.74 = 202,375.09 : x - Step 2: Convert to fraction form
372,144.61/513,554.74 = 202,375.09/x - Step 3: Cross multiply
372,144.61x = 513,554.74 × 202,375.09 - Step 4: Simplify right side
372,144.61x = 103,930,686,727.43 - Step 5: Solve for x
x = 103,930,686,727.43/372,144.61 - Step 6: Final answer
x = 279,275.00
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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.