Finding the Fourth Proportional to 328,896.06, 453,875.67 and 177,993.06
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Solution
The fourth proportional to 328,896.06, 453,875.67 and 177,993.06 is: 245,629.94
Step by Step Solution
- Step 1: Write the proportion equation
328,896.06 : 453,875.67 = 177,993.06 : x - Step 2: Convert to fraction form
328,896.06/453,875.67 = 177,993.06/x - Step 3: Cross multiply
328,896.06x = 453,875.67 × 177,993.06 - Step 4: Simplify right side
328,896.06x = 80,786,719,362.85 - Step 5: Solve for x
x = 80,786,719,362.85/328,896.06 - Step 6: Final answer
x = 245,629.94
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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.