Finding the Fourth Proportional to 379,405.44, 569,169.93 and 177,203.75
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Solution
The fourth proportional to 379,405.44, 569,169.93 and 177,203.75 is: 265,834.47
Step by Step Solution
- Step 1: Write the proportion equation
379,405.44 : 569,169.93 = 177,203.75 : x - Step 2: Convert to fraction form
379,405.44/569,169.93 = 177,203.75/x - Step 3: Cross multiply
379,405.44x = 569,169.93 × 177,203.75 - Step 4: Simplify right side
379,405.44x = 100,859,043,137.39 - Step 5: Solve for x
x = 100,859,043,137.39/379,405.44 - Step 6: Final answer
x = 265,834.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.