Finding the Fourth Proportional to 328,922.92, 453,924.53 and 201,573.91
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Solution
The fourth proportional to 328,922.92, 453,924.53 and 201,573.91 is: 278,178.68
Step by Step Solution
- Step 1: Write the proportion equation
328,922.92 : 453,924.53 = 201,573.91 : x - Step 2: Convert to fraction form
328,922.92/453,924.53 = 201,573.91/x - Step 3: Cross multiply
328,922.92x = 453,924.53 × 201,573.91 - Step 4: Simplify right side
328,922.92x = 91,499,342,357.01 - Step 5: Solve for x
x = 91,499,342,357.01/328,922.92 - Step 6: Final answer
x = 278,178.68
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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.