Finding the Fourth Proportional to 358,170.61, 494,311.65 and 205,229.08
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Solution
The fourth proportional to 358,170.61, 494,311.65 and 205,229.08 is: 283,236.88
Step by Step Solution
- Step 1: Write the proportion equation
358,170.61 : 494,311.65 = 205,229.08 : x - Step 2: Convert to fraction form
358,170.61/494,311.65 = 205,229.08/x - Step 3: Cross multiply
358,170.61x = 494,311.65 × 205,229.08 - Step 4: Simplify right side
358,170.61x = 101,447,125,162.78 - Step 5: Solve for x
x = 101,447,125,162.78/358,170.61 - Step 6: Final answer
x = 283,236.88
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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.