Finding the Fourth Proportional to 328,801.14, 453,745.56 and 177,898.14
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Solution
The fourth proportional to 328,801.14, 453,745.56 and 177,898.14 is: 245,499.43
Step by Step Solution
- Step 1: Write the proportion equation
328,801.14 : 453,745.56 = 177,898.14 : x - Step 2: Convert to fraction form
328,801.14/453,745.56 = 177,898.14/x - Step 3: Cross multiply
328,801.14x = 453,745.56 × 177,898.14 - Step 4: Simplify right side
328,801.14x = 80,720,491,157.26 - Step 5: Solve for x
x = 80,720,491,157.26/328,801.14 - Step 6: Final answer
x = 245,499.43
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1.5x scale
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.