Finding the Fourth Proportional to 372,003.84, 513,343.50 and 202,236.48
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Solution
The fourth proportional to 372,003.84, 513,343.50 and 202,236.48 is: 279,074.49
Step by Step Solution
- Step 1: Write the proportion equation
372,003.84 : 513,343.50 = 202,236.48 : x - Step 2: Convert to fraction form
372,003.84/513,343.50 = 202,236.48/x - Step 3: Cross multiply
372,003.84x = 513,343.50 × 202,236.48 - Step 4: Simplify right side
372,003.84x = 103,816,782,470.88 - Step 5: Solve for x
x = 103,816,782,470.88/372,003.84 - Step 6: Final answer
x = 279,074.49
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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.