Finding the Fourth Proportional to 328,935.12, 453,938.76 and 201,680.88
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Solution
The fourth proportional to 328,935.12, 453,938.76 and 201,680.88 is: 278,324.70
Step by Step Solution
- Step 1: Write the proportion equation
328,935.12 : 453,938.76 = 201,680.88 : x - Step 2: Convert to fraction form
328,935.12/453,938.76 = 201,680.88/x - Step 3: Cross multiply
328,935.12x = 453,938.76 × 201,680.88 - Step 4: Simplify right side
328,935.12x = 91,550,768,582.91 - Step 5: Solve for x
x = 91,550,768,582.91/328,935.12 - Step 6: Final answer
x = 278,324.70
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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.