Finding the Fourth Proportional to 358,666.20, 494,943.36 and 205,594.63
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Solution
The fourth proportional to 358,666.20, 494,943.36 and 205,594.63 is: 283,711.42
Step by Step Solution
- Step 1: Write the proportion equation
358,666.20 : 494,943.36 = 205,594.63 : x - Step 2: Convert to fraction form
358,666.20/494,943.36 = 205,594.63/x - Step 3: Cross multiply
358,666.20x = 494,943.36 × 205,594.63 - Step 4: Simplify right side
358,666.20x = 101,757,694,495.44 - Step 5: Solve for x
x = 101,757,694,495.44/358,666.20 - Step 6: Final answer
x = 283,711.42
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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.