Finding the Fourth Proportional to 358,311.40, 494,673.68 and 237,615.62
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Solution
The fourth proportional to 358,311.40, 494,673.68 and 237,615.62 is: 328,044.80
Step by Step Solution
- Step 1: Write the proportion equation
358,311.40 : 494,673.68 = 237,615.62 : x - Step 2: Convert to fraction form
358,311.40/494,673.68 = 237,615.62/x - Step 3: Cross multiply
358,311.40x = 494,673.68 × 237,615.62 - Step 4: Simplify right side
358,311.40x = 117,542,193,170.88 - Step 5: Solve for x
x = 117,542,193,170.88/358,311.40 - Step 6: Final answer
x = 328,044.80
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1.5x scale
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.