Finding the Fourth Proportional to 328,811.28, 453,733.44 and 201,469.44
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Solution
The fourth proportional to 328,811.28, 453,733.44 and 201,469.44 is: 278,011.82
Step by Step Solution
- Step 1: Write the proportion equation
328,811.28 : 453,733.44 = 201,469.44 : x - Step 2: Convert to fraction form
328,811.28/453,733.44 = 201,469.44/x - Step 3: Cross multiply
328,811.28x = 453,733.44 × 201,469.44 - Step 4: Simplify right side
328,811.28x = 91,413,422,066.07 - Step 5: Solve for x
x = 91,413,422,066.07/328,811.28 - Step 6: Final answer
x = 278,011.82
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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.