Finding the Fourth Proportional to 356,450.74, 491,908.08 and 195,321.50
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Solution
The fourth proportional to 356,450.74, 491,908.08 and 195,321.50 is: 269,546.99
Step by Step Solution
- Step 1: Write the proportion equation
356,450.74 : 491,908.08 = 195,321.50 : x - Step 2: Convert to fraction form
356,450.74/491,908.08 = 195,321.50/x - Step 3: Cross multiply
356,450.74x = 491,908.08 × 195,321.50 - Step 4: Simplify right side
356,450.74x = 96,080,224,047.72 - Step 5: Solve for x
x = 96,080,224,047.72/356,450.74 - Step 6: Final answer
x = 269,546.99
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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.