Finding the Fourth Proportional to 328,943.20, 453,952.56 and 201,594.16
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Solution
The fourth proportional to 328,943.20, 453,952.56 and 201,594.16 is: 278,206.65
Step by Step Solution
- Step 1: Write the proportion equation
328,943.20 : 453,952.56 = 201,594.16 : x - Step 2: Convert to fraction form
328,943.20/453,952.56 = 201,594.16/x - Step 3: Cross multiply
328,943.20x = 453,952.56 × 201,594.16 - Step 4: Simplify right side
328,943.20x = 91,514,185,013.05 - Step 5: Solve for x
x = 91,514,185,013.05/328,943.20 - Step 6: Final answer
x = 278,206.65
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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.