Finding the Fourth Proportional to 494,276.06, 682,097.64 and 279,415.74
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Solution
The fourth proportional to 494,276.06, 682,097.64 and 279,415.74 is: 385,591.84
Step by Step Solution
- Step 1: Write the proportion equation
494,276.06 : 682,097.64 = 279,415.74 : x - Step 2: Convert to fraction form
494,276.06/682,097.64 = 279,415.74/x - Step 3: Cross multiply
494,276.06x = 682,097.64 × 279,415.74 - Step 4: Simplify right side
494,276.06x = 190,588,816,832.85 - Step 5: Solve for x
x = 190,588,816,832.85/494,276.06 - Step 6: Final answer
x = 385,591.84
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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.