Finding the Fourth Proportional to 358,636.18, 494,919.33 and 215,398.66
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Solution
The fourth proportional to 358,636.18, 494,919.33 and 215,398.66 is: 297,250.99
Step by Step Solution
- Step 1: Write the proportion equation
358,636.18 : 494,919.33 = 215,398.66 : x - Step 2: Convert to fraction form
358,636.18/494,919.33 = 215,398.66/x - Step 3: Cross multiply
358,636.18x = 494,919.33 × 215,398.66 - Step 4: Simplify right side
358,636.18x = 106,604,960,490.10 - Step 5: Solve for x
x = 106,604,960,490.10/358,636.18 - Step 6: Final answer
x = 297,250.99
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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.