Finding the Fourth Proportional to 328,521.99, 453,361.01 and 177,618.99
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Solution
The fourth proportional to 328,521.99, 453,361.01 and 177,618.99 is: 245,114.57
Step by Step Solution
- Step 1: Write the proportion equation
328,521.99 : 453,361.01 = 177,618.99 : x - Step 2: Convert to fraction form
328,521.99/453,361.01 = 177,618.99/x - Step 3: Cross multiply
328,521.99x = 453,361.01 × 177,618.99 - Step 4: Simplify right side
328,521.99x = 80,525,524,701.58 - Step 5: Solve for x
x = 80,525,524,701.58/328,521.99 - Step 6: Final answer
x = 245,114.57
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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.