Finding the Fourth Proportional to 328,932.39, 453,937.68 and 201,583.38
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Solution
The fourth proportional to 328,932.39, 453,937.68 and 201,583.38 is: 278,191.79
Step by Step Solution
- Step 1: Write the proportion equation
328,932.39 : 453,937.68 = 201,583.38 : x - Step 2: Convert to fraction form
328,932.39/453,937.68 = 201,583.38/x - Step 3: Cross multiply
328,932.39x = 453,937.68 × 201,583.38 - Step 4: Simplify right side
328,932.39x = 91,506,291,843.76 - Step 5: Solve for x
x = 91,506,291,843.76/328,932.39 - Step 6: Final answer
x = 278,191.79
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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.