Finding the Fourth Proportional to 419,783.97, 629,719.79 and 179,921.91
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Solution
The fourth proportional to 419,783.97, 629,719.79 and 179,921.91 is: 269,901.65
Step by Step Solution
- Step 1: Write the proportion equation
419,783.97 : 629,719.79 = 179,921.91 : x - Step 2: Convert to fraction form
419,783.97/629,719.79 = 179,921.91/x - Step 3: Cross multiply
419,783.97x = 629,719.79 × 179,921.91 - Step 4: Simplify right side
419,783.97x = 113,300,386,481.99 - Step 5: Solve for x
x = 113,300,386,481.99/419,783.97 - Step 6: Final answer
x = 269,901.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.