Finding the Fourth Proportional to 358,273.20, 494,487.76 and 205,414.08
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Solution
The fourth proportional to 358,273.20, 494,487.76 and 205,414.08 is: 283,511.99
Step by Step Solution
- Step 1: Write the proportion equation
358,273.20 : 494,487.76 = 205,414.08 : x - Step 2: Convert to fraction form
358,273.20/494,487.76 = 205,414.08/x - Step 3: Cross multiply
358,273.20x = 494,487.76 × 205,414.08 - Step 4: Simplify right side
358,273.20x = 101,574,748,291.66 - Step 5: Solve for x
x = 101,574,748,291.66/358,273.20 - Step 6: Final answer
x = 283,511.99
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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.