Finding the Fourth Proportional to 372,288.88, 513,756.30 and 202,523.68
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Solution
The fourth proportional to 372,288.88, 513,756.30 and 202,523.68 is: 279,481.40
Step by Step Solution
- Step 1: Write the proportion equation
372,288.88 : 513,756.30 = 202,523.68 : x - Step 2: Convert to fraction form
372,288.88/513,756.30 = 202,523.68/x - Step 3: Cross multiply
372,288.88x = 513,756.30 × 202,523.68 - Step 4: Simplify right side
372,288.88x = 104,047,816,499.18 - Step 5: Solve for x
x = 104,047,816,499.18/372,288.88 - Step 6: Final answer
x = 279,481.40
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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.