Finding the Fourth Proportional to 328,896.56, 453,876.36 and 177,993.56
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Solution
The fourth proportional to 328,896.56, 453,876.36 and 177,993.56 is: 245,630.63
Step by Step Solution
- Step 1: Write the proportion equation
328,896.56 : 453,876.36 = 177,993.56 : x - Step 2: Convert to fraction form
328,896.56/453,876.36 = 177,993.56/x - Step 3: Cross multiply
328,896.56x = 453,876.36 × 177,993.56 - Step 4: Simplify right side
328,896.56x = 80,787,069,116.24 - Step 5: Solve for x
x = 80,787,069,116.24/328,896.56 - Step 6: Final answer
x = 245,630.63
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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.